By Connected PapersTel Aviv, Israel1 product across 1 category
Built for this. Builds a similarity graph from citation data rather than from a language model, so nothing in the output is generated and there is nothing to hallucinate.
Free plan
Yes
5 graphs a month, with all features included
Month to month
None
Shortest billing is quarterly: $10/mo ($30 a quarter)
Billed yearly
$6/mo
$72 a year, Academic plan −40%
Watch out: It finds neighbours of one seed paper, so a bad starting point gives a confidently wrong map. The free tier is 5 graphs a month with every feature included, so paying buys volume rather than capability, and there is no monthly option — billing is annual or quarterly.
All plans (5)
Plan
Price
What you get
Free
$0
Free plan at $0: 5 graphs a month, with all features included
Academic
$10/mo quarterly · $6/mo yearly
unlimited graphs and every feature, for academics, non-profits and personal use
Business
$30/mo quarterly · $20/mo yearly
the same again, for business and industry
Academic Group and Business Group
$30/mo quarterly · $20/mo yearly
Academic Library
Custom
unlimited graphs for all students and staff, with email, IP and single sign-on access and zero-effort integration
By ConsensusBoston, United States1 product across 1 category
Built for this. Searches published papers and tells you how many of them support a claim, which turns a yes-or-no question into a count you can inspect.
Free plan
Yes
Basic paper search, 15 Pro messages a month and up to 3 Deep reviews a month
Month to month
$20/mo
Pro
Billed yearly
$12/mo
$144 a year, Pro plan −40%
Watch out: The consensus meter reflects the papers it found, not the state of the field. Deep reviews are the metered resource — 3 a month free, 15 on Pro, 200 on Deep — so that is what decides the tier rather than how much you search.
All plans (3)
Plan
Price
What you get
Free
$0
Free plan at $0: basic paper search, 15 Pro messages a month and up to 3 Deep reviews a month, though the same card also describes the free tier as being without AI analysis
Pro
$20/mo · $12/mo yearly
unlimited Pro messages, 15 Deep reviews a month and unlimited access to every research tool
Deep
$65/mo · $45/mo yearly
everything in Pro with 200 Deep reviews a month, aimed at researchers and clinicians running frequent literature reviews. Team and Enterprise are priced on their own tab
By DeepLCologne, Germany1 product across 1 category
Built for this. The same quality that made its translation worth paying for, applied to rewriting. Notably better than the field on European languages.
Free plan
Yes
Free tier with a character limit
Month to month
$10.49/mo
Individual
Billed yearly
$8.74/mo
Individual plan −17%
Watch out: Improves phrasing rather than argument, and will not tell you a paragraph is not worth keeping. Write is not sold on its own: it comes with a DeepL Pro subscription, whose entry tier is capped at 300,000 characters a month.
All plans (7)
Plan
Price
What you get
Free
$0
Free tier with a character limit
Individual
$10.49/mo · $8.74/mo yearly
300,000 characters a month, 3 file translations a month, one glossary and no training on your data. Sold as DeepL Pro, which carries Write alongside the translator
Team
$34.49/mo · $28.74/mo yearly
1,000,000 characters per user a month, 20 file translations a month, bulk file translation, 5 shared style rule lists and 5 glossaries
Business
$68.99/mo · $57.49/mo yearly
unlimited characters, 100 file translations a month, 20 shared style rule lists, unlimited glossaries and translation memory
Enterprise
Custom
Voice Starter
$13/mo · $11/mo yearly
300 minutes a user a month of real-time meeting translation, up to 50 participants online and 10 in person
Voice Business
$38/mo · $32/mo yearly
600 minutes a user a month pooled across the subscription, up to 300 participants online and 100 in person, and single sign-on. Voice sits on its own tab, as does the API, and the translator plans open on a 30-day trial against 14 days on Voice
By ElicitOakland, United States1 product across 1 category
Built for this. Searches actual papers and extracts findings into a table you can check, one row per study, rather than answering in prose.
Free plan
Yes
Limited use of the Research Agent and Research Reports, but unlimited search across more than
Month to month
$19/mo
Academic Plus
Billed yearly
$11/mo
$132 a year, Academic Plus plan −42%
Watch out: Coverage is strongest in empirical fields. Extraction is a starting point for a literature review, not the review.
All plans (7)
Plan
Price
What you get
Free
$0
Basic plan, free on both tabs: limited use of the Research Agent and Research Reports, but unlimited search across more than 138 million papers, unlimited summaries and unlimited chat with papers at full text
Academic Plus
$19/mo · $11/mo yearly
standard Research Agent, Reports and systematic review usage, export to RIS, CSV, BIB, PDF and DOCX, and 5 table columns at a time
Academic Pro
$69/mo · $39/mo yearly
5x usage, the dedicated systematic review workflow that screens 5,000 papers, and 20 columns at a time
Academic Scale
$149/mo · $89/mo yearly
9x usage, extraction and interpretation of figures, and live real-time collaboration
Industry Pro
$75/mo · $49/mo yearly
standard usage, the systematic review workflow, 20 columns and reports drawing on up to 135 data sources
Industry Scale
$279/mo · $169/mo yearly
5x usage, figure extraction, live collaboration and up to 200 data sources
Enterprise
Custom
custom usage, unlimited paper alerts, no training on your data by default, screening of 40,000 papers with 40 columns, and PRISMA-grade screening and extraction accuracy. Academic and industry are separate ladders — academics get an extra Plus tier and pay less at every step
By Google DeepMindLondon, United Kingdom6 products across 6 categories
Built for this. Sits inside Gmail, Docs and Drive, so it already has your context. Very large context windows and a generous free tier.
Free plan
Yes
Free tier with generous limits
Month to month
$4.99/mo
Google AI Plus
Billed yearly
$4.17/mo
$49.99 a year, Google AI Plus plan −16%
Watch out: Which underlying model you get varies by tier, and quality varies with it. Plus and Pro were both showing introductory offers when checked — a fraction of the price for the first three months, or a discount on the first year — so the number on the page is not the standing price, and the rows here quote the standing one.
By Google DeepMindLondon, United Kingdom6 products across 6 categories
Built for this. Runs a multi-step search across dozens of sources and returns a structured, referenced report. Strong first pass on an unfamiliar field.
Free plan
Yes
Included in the free Gemini tier, with a limited number of reports
Month to month
$4.99/mo
Google AI Plus
Billed yearly
$4.17/mo
$49.99 a year, Google AI Plus plan −16%
Watch out: Searches the open web, not scholarly databases. It will miss paywalled literature a library search would find.
All plans (4)
Plan
Price
What you get
Free
$0
Included in the free Gemini tier, with a limited number of reports
Google AI Plus
$4.99/mo
2x the usage limits. Deep Research is part of the Google AI plans, not sold separately
Google AI Pro
$19.99/mo
4x the usage limits and the Pro model behind longer reports
By Google DeepMindLondon, United Kingdom6 products across 6 categories
Built for this. You upload the sources and it answers only from them, linking every sentence to the passage it came from. The strongest verification pattern here.
Free plan
Yes
Free, and the core product is not gated: what a paid plan buys is headroom — a bigger notebook
Month to month
$4.99/mo
Google AI Plus
Billed yearly
$4.17/mo
$49.99 a year, Google AI Plus plan −16%
Watch out: Deliberately limited — it will not answer what your documents do not cover, and cannot tell you whether they are any good. Paid headroom comes from a Google AI subscription rather than a plan of its own.
All plans (4)
Plan
Price
What you get
Free
$0
Free, and the core product is not gated: what a paid plan buys is headroom — a bigger notebook, more sources per notebook and higher limits on Audio and Video Overviews and Slides
Google AI Plus
$4.99/mo
the cheapest step that raises its limits, with more Gemini access, increased feature limits and a bigger notebook. Introductory offers were showing: $1.29/month for 3 months, or $44.99 for the first year
Google AI Pro
$19.99/mo
expanded Gemini access for complex research, expanded feature limits and a large notebook size. Introductory offers were showing: $4.99/month for 3 months, or $179.99 for the first year
Google AI Ultra
$99.99/mo
the highest Gemini access and the largest source limits, for working across several big notebooks
By GitHubSan Francisco, United States2 products across 1 category
Built for this. The default, and the one already wired into the editor and the pull request your team uses. A free tier now covers light use.
Free plan
Yes
2,000 completions a month
Month to month
$10/mo
Pro
Billed yearly
—
No yearly price published
Watch out: Suggestions are strongest on common patterns and weakest exactly where your codebase is unusual. Pro and above bundle a monthly credit allowance, so premium-model work is metered on top of the seat.
By GrammarlySan Francisco, United States1 product across 1 category
Built for this. Works inside the apps you already write in rather than a separate window, which is why it actually gets used. Grammar, tone and clarity in place.
Free plan
Yes
Writing without spelling and grammar mistakes, tone detection, and 100 AI prompts for
Month to month
$30/mo
Pro
Billed yearly
$12/mo
$144 a year, Pro plan −60%
Watch out: Better at fixing than composing. It smooths writing toward a neutral register, which is not always what you want.
All plans (3)
Plan
Price
What you get
Free
$0
Free tier: writing without spelling and grammar mistakes, tone detection, and 100 AI prompts for generating text
Pro
$30/mo · $12/mo yearly
rewriting whole sentences in a click, tone adjustment, unlimited personalised suggestions, and plagiarism and AI-text detection. It opens on a 7-day free trial with nothing to pay on the day and a reminder two days before it ends
Enterprise
Custom
adds proactive AI across the apps you work in, dedicated support, bring-your-own-key encryption, custom roles and permissions, and data loss prevention
By Boondoggle StudioUnited States1 product across 1 category
Built for this. Marks the sentences that are hard to read and the adverbs you did not need, and does nothing else. The free web version has no sign-up.
Free plan
Yes
Free in the browser with no sign-up: the readability marking, and no AI at all
Month to month
$25/mo
Individual 5K
Billed yearly
$8.33/mo
$100 a year, Individual 5K plan −67%
Watch out: Readability is not the same as quality — it will flag a precise technical sentence as difficult. Deliberately narrow.
All plans (4)
Plan
Price
What you get
Free
$0
Free in the browser with no sign-up: the readability marking, and no AI at all
Individual 5K
$25/mo · $8.33/mo yearly
5,000 AI sentence rewrites a month, unlimited advanced grammar fixes, tone, length and style adjustment, and unlimited document review
Individual 10K
$30/mo · $12.50/mo yearly
the same again at 10,000 AI sentence rewrites a month
Team 10K
$30/mo · $12.50/mo yearly
10,000 AI sentence rewrites a user a month, licences managed on one bill, admin roles and extra AI credits. All three are Hemingway Editor Plus, the paid AI layer, and each opens on a free trial
By Julius AISan Francisco, United States1 product across 1 category
Built for this. Upload a spreadsheet and it writes and runs real code against it, showing the working rather than describing it.
Free plan
Yes
Free tier with a monthly message allowance
Month to month
$20/mo
Plus
Billed yearly
$16/mo
$200 a year, Plus plan −20%
Watch out: A generated analysis is only as good as the question. Work is metered in credits, and Max and Business are sold at a credit level you choose, so their headline price is the entry rate.
By LearneoRedwood City, United States2 products across 1 category
Built for this. Strong across more than 30 languages rather than English alone, and it can be self-hosted, which almost nothing else in this category offers.
Free plan
Yes
Free tier covering basic grammar and spelling
Month to month
$24.90/mo
Premium
Billed yearly
$5.83/mo
$69.90 a year, Premium plan −77%
Watch out: Owned by the same company as QuillBot since 2023. Month to month costs more than four times the annual rate, and there are four payment intervals to pick between, so the interval matters more than the tier.
All plans (3)
Plan
Price
What you get
Free
$0
Free tier covering basic grammar and spelling
Premium
$24.90/mo · $16.63/mo quarterly · $5.83/mo yearly
enhanced grammar, punctuation and style checking, up to 150,000 characters a text field, unlimited AI sentence paraphrasing, a style guide and the browser add-on
Teams
$11.07/mo
everything in Premium plus user management, a team style guide and a team dictionary. Every price on the page includes VAT
By LexSyracuse, United States1 product across 1 category
Built for this. A word processor that happens to have AI in it, so the writing surface comes first and the suggestions stay out of the way until asked.
Free plan
Yes
Free tier available
Month to month
$24.99/mo
Lex Pro
Billed yearly
$14.99/mo
$179.88 a year, Lex Pro plan −40%
Watch out: Fewer features than a dedicated editing tool, by choice. There is one paid tier, and the $30 of AI credits it includes each month is worth more than the subscription at either billing term, so what you are buying is model access more than software.
All plans (2)
Plan
Price
What you get
Free
$0
Free tier available
Lex Pro
$24.99/mo · $14.99/mo yearly
premium AI models including GPT-5 and Claude 4.1 Opus, $30 of AI credits included every month, much higher usage limits, priority support, early access to new features and a money-back guarantee. The annual plan opens on a trial where the monthly one subscribes straight away
By LitmapsWellington, New Zealand2 products across 1 category
Built for this. Draws a citation map you can steer, so the shape of a literature becomes visible rather than being a list of titles.
Free plan
Yes
Free, capped rather than trial-limited: 2 Litmaps with 100 articles per map, basic search
Month to month
$12.50/mo
Pro
Billed yearly
$10/mo
Pro plan −20%
Watch out: A map is a prompt to read, not a substitute for reading. The free tier stops at 2 maps of 100 articles each, so a real review needs Pro, and Pro is priced on separate education and commercial tabs.
All plans (3)
Plan
Price
What you get
Free
$0
Free, capped rather than trial-limited: 2 Litmaps with 100 articles per map, basic search taking up to 20 seed inputs, monthly literature alerts and no collaboration
Pro
$12.50/mo · $10/mo yearly
unlimited Litmaps and unlimited articles per map, advanced search with unlimited inputs, and weekly or configurable alerts rather than monthly. Litmaps prices Pro on two sub-tabs, education and commercial; these are the education figures
Team
no price published on the pricing page
Pro features plus team-wide collaboration, which neither Free nor Pro includes
By PaperguideMilton, United States1 product across 1 category
Built for this. Covers finding papers, reading them, managing references and drafting in one place, which is unusually broad for this category.
Free plan
Yes
Free, capped by credits: 2,000 AI credits a month across Research Agents, Research Reports and
Month to month
$15/mo
Academic Plus
Billed yearly
$9/mo
Academic Plus plan −40%
Watch out: Breadth costs depth against the tools that do one of those jobs properly. A young product, so expect it to keep changing shape.
All plans (8)
Plan
Price
What you get
Free
$0
Free, capped by credits: 2,000 AI credits a month across Research Agents, Research Reports and the AI Writer, with a limited reference manager and limited AI searches, and no systematic reviews
Academic Plus
$15/mo · $9/mo yearly
12,500 credits a month, unlimited reference manager and systematic reviews of up to 1,000 papers
Academic Pro
$49/mo · $29/mo yearly
50,000 credits a month, systematic reviews of up to 5,000 papers and image and table extraction
Academic Evidence
$99/mo · $69/mo yearly
150,000 credits a month and PRISMA-grade dual screening. This is the team tier
Industry Plus
$29/mo · $17/mo yearly
Industry Pro
$69/mo · $39/mo yearly
Industry Evidence
$199/mo · $119/mo yearly
Enterprise
Custom
custom credits and systematic reviews of up to 20,000 papers
By QuoraMountain View, United States1 product across 1 category
Built for this. One subscription across most of the major models, so you can put the same question to several and compare rather than committing to one lab.
Free plan
Yes
Free tier with a daily points allowance
Month to month
$4.99/mo
Subscription
Billed yearly
—
No yearly price published
Watch out: Points, not messages, and different models burn them at wildly different rates. Heavy use of a frontier model empties an allowance faster than the plan name suggests.
All plans (2)
Plan
Price
What you get
Free
$0
Free tier with a daily points allowance
Subscription
$4.99/mo
annual billing is ten times the monthly rate, from $49.99 to $2,499.99 a year
By ProWritingAidLondon, United Kingdom1 product across 1 category
Built for this. Built for manuscripts rather than emails: pacing, repetition, dialogue tags and the reports a novelist actually wants. Sells a lifetime licence.
Free plan
Yes
Free tier with a word limit, plus Story Canvas and 2 runs of the line editing report a day
Month to month
$30/mo
Premium
Billed yearly
$10/mo
$120 a year, Premium plan −67%
Watch out: The volume of suggestions is overwhelming until you turn most of them off. There are three ways to pay — monthly, yearly, or a one-off lifetime licence — and the yearly rates the page shows are sale prices rather than the standing ones.
All plans (3)
Plan
Price
What you get
Free
$0
Free tier with a word limit, plus Story Canvas and 2 runs of the line editing report a day
Premium
$30/mo · $10/mo yearly
everything in the free tier plus unlimited runs of the line editing report. A Storyteller Sale running as this was checked cut the yearly rate 25 per cent to $7.50 a month, or $90 for the year
Premium Pro
$36/mo · $12/mo yearly
everything in Premium plus 30 chapter critiques a day. The same sale cut its yearly rate to $9 a month, or $108 for the year. Yearly and lifetime both carry a 3-day money-back guarantee, and the sale applies to yearly plans only
By LearneoRedwood City, United States2 products across 1 category
Built for this. The paraphraser most students actually use, with modes that change how far it moves from your original rather than one setting.
Free plan
Yes
Paraphrasing up to 125 words at a time in 2 modes, basic grammar fixes, humanizing up to 125
Month to month
$19.95/mo
Premium
Billed yearly
$8.33/mo
Premium plan −58%
Watch out: Rewriting someone else’s sentence is still their sentence, and universities treat it that way. The free tier caps paraphrasing at 125 words at a time, and paying month to month costs about two and a half times the annual rate.
All plans (3)
Plan
Price
What you get
Free
$0
Free tier: paraphrasing up to 125 words at a time in 2 modes, basic grammar fixes, humanizing up to 125 words for 6 uses a day, basic summaries, and limited access to the AI detector
Premium
$19.95/mo · $8.33/mo yearly
full access to paraphrasing in unlimited modes, advanced grammar recommendations, full humanizing, custom summaries and full access to the AI detector
Team Plan
no price published on the plan cards, sold through a separate page
everything in Premium plus team usage metrics, a user management dashboard, centralised billing, data control, and priority assistance with account management support
By LitmapsWellington, New Zealand2 products across 1 category
Built for this. Follows citations outward from papers you already trust and keeps alerting you as new ones appear. Strong for finding what you did not know to look for.
Free plan
Yes
Free forever, and unusually complete: unlimited searches across more than 310 million articles
Month to month
$12.50/mo
ResearchRabbit+
Billed yearly
$10/mo
ResearchRabbit+ plan −20%
Watch out: Owned by Litmaps since May 2025 and overlaps it heavily, down to charging the same $10 and $12.50. Discovery only — it will not read or summarise anything for you, and the free tier stops at 50 seed articles.
All plans (3)
Plan
Price
What you get
Free
$0
Free forever, and unusually complete: unlimited searches across more than 310 million articles, unlimited library and collections, and sharing a collection to collaborate. The cap is 50 seed articles and core rather than advanced search settings
ResearchRabbit+
$12.50/mo · $10/mo yearly
raises the seed-article cap from 50 to 300, adds advanced search controls, multiple projects and Signals alerts
Institution
no price published, sold through a sales conversation
everything in RR+ plus volume discounts, LibKey integration with your research library, thousands of managed users, usage statistics and dedicated support
By ScholarcyLondon, United Kingdom1 product across 1 category
Built for this. Breaks a paper into structured cards — aims, method, findings, limitations — instead of one block of summary, which makes skimming a stack of them practical.
Free plan
Yes
Free Article Summarizer: imports a range of file formats but stops at 10 summaries, and exports
Month to month
$9.99/mo
Scholarcy Plus
Billed yearly
$7.50/mo
$90 a year, Scholarcy Plus plan −25%
Watch out: Structure comes from the paper being conventionally written; it copes badly with anything that is not. The free tier stops at 10 summaries, so a reading list of any size needs the paid plan.
All plans (2)
Plan
Price
What you get
Free
$0
Free Article Summarizer: imports a range of file formats but stops at 10 summaries, and exports flashcards only one at a time
By Crimson AIMumbai, India1 product across 1 category
Built for this. Edits against journal conventions and subject-specific usage rather than general style, and flags the things reviewers flag.
Free plan
Yes
5,000 words a month of writing assistance, 4 proofread files or reports a month on credits, 5
Month to month
$20/mo
Premium
Billed yearly
$6.67/mo
$80 a year, Premium plan −67%
Watch out: Academic English only — it is the wrong tool for a blog post. The yearly prices on the cards are 40 per cent offers on Premium and Confidential Data, whose standing rates are $80 and $500, and the free tier stops at 5,000 words a month.
All plans (4)
Plan
Price
What you get
Free
$0
Basic plan, free at $0: 5,000 words a month of writing assistance, 4 proofread files or reports a month on credits, 5 AI writing requests a month, Lite and Standard modes only, standard data privacy and 1 plagiarism score a month
Premium
$20/mo
every writing feature including the grammar checker, paraphraser, consistency and file proofreading, all advanced writing modes, the APA, IEEE, ACS and AGU style guides, and the native Microsoft Word app
Premium Plus
$125 a year, with no offer applied to it
everything in Premium at double the credits, file translation across more than 30 languages, and proofreading of up to 240 files a year as editable files
Confidential Data
$500 a year is the standing rate, cut to $300 by the same 40 per cent offer
everything in Premium Plus plus an offline grammar checker app, unlimited AI writing, instant data deletion with no training on your text, and sovereignty and regulatory compliance. These are the Individuals prices; Enterprise and Institution are quoted on their own tabs
By AI21 LabsTel Aviv, Israel1 product across 1 category
Built for this. Offers several rewrites of a sentence at once and lets you pick, which is a better fit for how editing actually works than a single suggestion.
Free plan
Yes
Free Basic plan: 10 rewrites and AI suggestions a day plus AI generations, 3 AI summarisations
Month to month
$13.99/mo
Advanced
Billed yearly
$6.99/mo
Advanced plan −50%
Watch out: Sentence-level by design, so it will not fix a paragraph that is structured wrong. The free tier runs to 10 rewrites a day and 3 AI summaries a month, and even the middle plan is capped at 30 rewrites a day — only the top plan is actually unlimited, which is what its name is doing.
All plans (3)
Plan
Price
What you get
Free
$0
Free Basic plan: 10 rewrites and AI suggestions a day plus AI generations, 3 AI summarisations a month, and unlimited spelling corrections and grammar checks
Advanced
$13.99/mo · $6.99/mo yearly
30 rewrites and AI suggestions a day, 15 AI summarisations a month, and unlimited AI recommendations, spelling corrections and grammar checks
Unlimited
$19.99/mo · $9.99/mo yearly
unlimited rewrites, AI suggestions and summarisations, with vocabulary enhancements, clarity improvements, fluency increases and premium support. Both paid plans open on a 3-day free trial, and annual billing is exactly half the monthly rate on each
By You.comPalo Alto, United States1 product across 2 categories
Built for this. Answers a question from one live search pass and lists the pages it used beside the answer, so a claim can be checked without leaving it.
Free plan
Yes
Free tier of 100 web search queries a day, no API key required
Month to month
None
Not published
Billed yearly
—
No yearly price published
Watch out: The company has moved toward developers: the pricing page now sells APIs by the thousand calls, and the consumer assistant has changed shape several times while that happened. Good for checking a fact, less safe to build a habit on.
All plans (6)
Plan
Price
What you get
Free
$0
Free tier of 100 web search queries a day, no API key required
Web Search API
$5 per 1,000 calls, 1 to 100 results a call, news included
$100 free credit
Contents API
$1 per 1,000 pages extracted as Markdown or HTML, several URLs a request
$100 free credit
Answer API
$5 per 1,000 calls for a cited, synthesised answer
$100 free credit
Research API
from $12 per 1,000 calls on Lite, rising through Standard, Deep, Exhaustive and Frontier tiers
$100 free credit
Finance Research API
from $110 per 1,000 calls on Deep, with an Exhaustive tier above
By ProtonLabs TechnologyBirmingham, United Kingdom1 product across 1 category
Strong fit. Straightforward document chat with citation back to the page, and it handles long PDFs without the usual truncation.
Free plan
Yes
Free, but tightly capped: 1 document a day, 100 pages per document and a 15MB upload limit
Month to month
$14.99/mo
Premium
Billed yearly
$11.99/mo
Premium plan −20%
Watch out: A thin layer over a general model, so it inherits that model’s habits. Little here that a general assistant with file upload does not also do.
All plans (4)
Plan
Price
What you get
Free
$0
Free, but tightly capped: 1 document a day, 100 pages per document and a 15MB upload limit
Premium
$14.99/mo · $11.99/mo yearly
50 documents a day, 2,500 pages per document and a 31MB upload limit
Pro
$19.99/mo · $14.99/mo yearly
150 documents a day, 6,000 pages per document and an 877MB upload limit
Enterprise
Custom
1,000 documents a day, unlimited pages per document and a 1,431MB upload limit
By OpenAISan Francisco, United States3 products across 8 categories
Strong fit. Best for iterating conversationally — describe a change in words rather than re-prompting from scratch.
Free plan
Yes
Included in the free ChatGPT tier with limited image creation
Month to month
$20/mo
ChatGPT Plus
Billed yearly
—
No yearly price published
Watch out: Free tier generation limits are tight, and the free tier is ad supported. There is no separate image plan: you pay for ChatGPT Plus or a Business seat.
All plans (3)
Plan
Price
What you get
Free
$0
Included in the free ChatGPT tier with limited image creation
ChatGPT Plus
$20/mo
higher quality image creation is part of the plan, not sold separately
By ExplainpaperUnited States1 product across 1 category
Strong fit. Highlight the passage that lost you and get it explained at the level you ask for, in place, without leaving the paper.
Free plan
Yes
Free for everyone, forever, and not metered: unlimited highlight explanations, follow-up
Month to month
$16/mo
Pro
Billed yearly
$12/mo
Pro plan −25%
Watch out: Explains what a passage says rather than whether it is right, and a confident explanation of a flawed method reads exactly like a good one. The free tier is unlimited but runs on weaker models, so what you pay for is the quality of the explanation rather than more of it.
All plans (3)
Plan
Price
What you get
Free
$0
Free for everyone, forever, and not metered: unlimited highlight explanations, follow-up questions and Zotero import. The limit is model quality — the free tier runs on what Explainpaper calls basic AI models
Pro
$16/mo · $12/mo yearly
Teams
no price published, sold through a sales conversation
everything in Pro plus team management, priority support and volume discounts
By Google DeepMindLondon, United Kingdom6 products across 6 categories
Strong fit. Unusually generous free tier for individuals, and it plugs into standard IDEs rather than requiring a new one.
Free plan
Yes
Free for individuals, unusually generous
Month to month
$22.80/mo
Standard
Billed yearly
—
No yearly price published
Watch out: Less capable at whole-repository reasoning than the purpose-built agents. It is also reachable through the Google Developer Program, which is a separate membership with its own terms rather than a tier on this ladder.
By Google DeepMindLondon, United Kingdom6 products across 6 categories
Strong fit. Generous free access and good instruction-following for edits to photos you already have.
Free plan
Yes
Included in the free Gemini tier with generous limits
Month to month
$4.99/mo
Google AI Plus
Billed yearly
$4.17/mo
$49.99 a year, Google AI Plus plan −16%
Watch out: Editing precision still trails purpose-built photo tools. There is no separate image plan: more usage comes with a Google AI Plus, Pro or Ultra subscription.
All plans (4)
Plan
Price
What you get
Free
$0
Included in the free Gemini tier with generous limits
Google AI Plus
$4.99/mo
2x the usage limits and 400 GB of storage. Image generation is part of the plan, not sold separately
Google AI Pro
$19.99/mo
4x the usage limits, the Pro model and 5 TB of storage
Google AI Ultra
$99.99/mo
5x the Pro limits and 20 TB of storage. Introductory discounts on Plus and Pro were showing as this was checked
By Google DeepMindLondon, United Kingdom6 products across 6 categories
Strong fit. Drafts directly in Gmail and Docs with your existing files as context. No copy-pasting between tools.
Free plan
Yes
Gemini is available in the free consumer tier, but not inside Gmail and Docs on a personal
Month to month
$19.99/mo
Google AI Pro
Billed yearly
$16.67/mo
$199.99 a year, Google AI Pro plan −17%
Watch out: Best features are tied to a paid Workspace plan rather than the free consumer tier. There is no separate price: it comes with a Workspace subscription.
All plans (4)
Plan
Price
What you get
Free
$0
Gemini is available in the free consumer tier, but not inside Gmail and Docs on a personal account
Workspace with Gemini
$14/mo
Gemini in Gmail, Docs and the rest of Workspace with your files as context. Gemini in Workspace comes with a Workspace subscription, not as a separate purchase
Google AI Pro
$19.99/mo
the consumer plan that raises Gemini limits outside Workspace
By Ginger SoftwareTel Aviv, Israel1 product across 1 category
Strong fit. A long-running grammar checker that works across desktop and mobile keyboards, with translation and a rephraser included.
Free plan
Yes
Free tier with a daily correction allowance
Month to month
$13/mo
Ginger Premium
Billed yearly
$7.50/mo
Ginger Premium plan −42%
Watch out: Has moved more slowly than the newer entrants and publishes no pricing page that survives an automated check — the plans live on an upgrade page rather than a pricing one. The prices it shows there are a 50 per cent promotion, so the standing rates are twice what the page leads with.
All plans (3)
Plan
Price
What you get
Free
$0
Free tier with a daily correction allowance
Ginger Premium
$13/mo · $7.50/mo yearly
Students and teachers
70 per cent off, subject to an eligibility check. Every interval carries a 7-day money-back guarantee and can be cancelled at any time
By HumataAustin, United States1 product across 1 category
Strong fit. Ask questions across a set of uploaded documents and get answers with the page they came from, which suits a folder of papers rather than one.
Free plan
Yes
Free, capped at 60 pages of use in total rather than per month, with the basic features and
Month to month
$9.99/mo
Expert
Billed yearly
—
No yearly price published
Watch out: Answers only from what you upload, so the quality of the shortlist is the quality of the answer. The free tier is 60 pages in total, and the step from Expert to Team switches from a flat rate to per user.
All plans (4)
Plan
Price
What you get
Free
$0
Free, capped at 60 pages of use in total rather than per month, with the basic features and GPT-5 support
Expert
$9.99/mo
Team
$49/mo
Enterprise
Custom
personalised service and enterprise security for large teams
By OthersideAINew York, United States1 product across 1 category
Strong fit. Learns from your own writing to match your voice, and will drive a browser to carry out a task rather than only draft text.
Free plan
Yes
Free tier with a monthly allowance
Month to month
$19.99/mo
Premium
Billed yearly
$16/mo
$192 a year, Premium plan −20%
Watch out: The agent features are the newest and least reliable part. The free tier is a small monthly allowance, and Premium is still capped at 250 AI messages a month — only Ultra is uncapped, at nearly twice the price.
All plans (3)
Plan
Price
What you get
Free
$0
Free tier with a monthly allowance
Premium
$19.99/mo · $16/mo yearly
250 AI messages a month, citations and real-time information, 3 custom personas, the library of pre-made AI tools and unlimited TypeAheads
Ultra
$44.99/mo · $29/mo yearly
unlimited AI messages, 10 custom personas, first access to experimental writing and agent features, and unlimited TypeAheads
By Jenni AINew York, United States1 product across 1 category
Strong fit. Writes alongside you in an academic register and inserts citations as it goes, in your reference style.
Free plan
Yes
10 AI autocompletes a day, 10 PDF uploads, 3 AI edits, 5 AI chat messages, 3 reviews, unlimited
Month to month
$30/mo
Plus
Billed yearly
$12/mo
Plus plan −60%
Watch out: A suggested citation still has to be checked against the source. The free tier is metered in autocompletes rather than words, at 10 a day, and month-to-month billing costs two and a half times the annual rate on both paid plans.
All plans (3)
Plan
Price
What you get
Free
$0
Free tier: 10 AI autocompletes a day, 10 PDF uploads, 3 AI edits, 5 AI chat messages, 3 reviews, unlimited citations across more than 10,000 styles, and editor content export
Plus
$30/mo · $12/mo yearly
5,000 autocompletes a month, unlimited PDF uploads, 500 AI edits and 500 AI chat messages a month, 10 reviews a month, full document export and live chat support
Pro
$73/mo · $29/mo yearly
unlimited autocomplete, PDF uploads, AI edits, AI chat and reviews, with full document export and priority support
By Khan AcademyMountain View, United States1 product across 1 category
Strong fit. Tutors by asking rather than answering, and stays inside the material rather than wandering. The teacher tools sit alongside the student ones.
Free plan
Yes
Free for teachers in supported regions
Month to month
$4/mo
For you
Billed yearly
$3.67/mo
$44 a year, For you plan −8%
Watch out: Deliberately slower than a chatbot, because it will not simply give you the solution. Tied to Khan Academy content.
All plans (3)
Plan
Price
What you get
Free
$0
Free for teachers in supported regions
For you
$4/mo · $3.67/mo yearly
personalised tutoring on Khan Academy content, writing and debate prompts, career coaching, coding feedback and chat history
For families
$4/mo · $3.67/mo yearly
everything in the personal plan plus child accounts from a parent login, interaction history, moderation alerts and college admissions coaching
By KickresumeBratislava, Slovakia1 product across 1 category
Strong fit. Drafts and rewrites a resume or cover letter against a specific job advert, and keeps the formatting from falling apart.
Free plan
Yes
Free plan with 4 resume and 4 cover letter templates, a basic website template, 20,000
Month to month
$24/mo
Premium
Billed yearly
$8/mo
$96 a year, Premium plan −67%
Watch out: A generated resume reads like one unless you rewrite it in your own voice. Free tier limits templates and exports.
All plans (2)
Plan
Price
What you get
Free
$0
Free plan with 4 resume and 4 cover letter templates, a basic website template, 20,000 pre-written phrases and unlimited downloads
Premium
$24/mo · $18/mo quarterly · $8/mo yearly
40+ resume and cover letter templates, AI Writer, ATS resume checker, Career Map, LinkedIn and PDF import, mobile apps, with a 14-day money-back guarantee on the longer terms
By NotionSan Francisco, United States2 products across 2 categories
Strong fit. Writes and summarises inside the workspace where your notes already live, so it has the surrounding context.
Free plan
Yes
Trial of Notion AI on the free and Plus plans
Month to month
$24/mo
Notion Business, sold to teams rather than to one person
Billed yearly
$20/mo
Notion Business plan −17%
Watch out: Only as good as how organised your Notion already is. Beyond the trial it is not sold on its own: the full AI features arrive with the Business plan.
All plans (3)
Plan
Price
What you get
Free
$0
Trial of Notion AI on the free and Plus plans
Notion Business
$24/mo · $20/mo yearly
the first plan with Notion AI in full, including Notion Agent, AI meeting notes and enterprise search
Notion Enterprise
Custom
adds zero data retention with LLM providers and admin controls over AI. Notion AI is part of these plans rather than sold separately
By PetalCambridge, United States1 product across 1 category
Strong fit. A document library with AI built in rather than a chat window you paste into, so your sources stay organised between sessions.
Free plan
Yes
Free, with 1GB of cloud storage, one seat and three guests. Support is included rather than
Month to month
$4.25/mo
Plus
Billed yearly
$2.55/mo
Plus plan −40%
Watch out: You have to commit to keeping documents in it for the value to appear. The individual tiers are separated by storage rather than by features, and the two cheapest are priced for .edu addresses — without one they cost around two thirds more.
All plans (7)
Plan
Price
What you get
Free
$0
Free, with 1GB of cloud storage, one seat and three guests. Support is included rather than priority
Plus
$4.25/mo · $2.55/mo yearly
$2.99 and $4.99 respectively month to month. 2GB of storage
Advanced
$8.49/mo yearly
$9.99 and $13.99 month to month. 10GB of storage and priority support
By Pixlr GroupStockholm, Sweden1 product across 1 category
Strong fit. A full photo editor in the browser with no install, now with generation and cleanup alongside the ordinary tools.
Free plan
Yes
Ad-supported
Month to month
$2.49/mo
Plus
Billed yearly
$1.99/mo
Plus plan −20%
Watch out: Predates this category and the AI is an addition rather than the foundation. The free tier is ad-supported.
All plans (4)
Plan
Price
What you get
Free
$0
Free tier, ad-supported
Plus
$2.49/mo · $1.99/mo yearly
ad-free, unlimited saves, 80 AI credits a month (960 a year on annual)
Premium
$9.99/mo · $7.99/mo yearly
all image, video and audio models, 4 concurrent generations, 1,000 AI credits a month (12,000 a year on annual), private mode
Ultra
$24.99/mo · $19.99/mo yearly
unlimited fast image generations, 8 concurrent generations, up to 10,000 AI credits a month (120,000 a year), priority queue. The $39.99 and $49.99 figures seen earlier are higher Ultra levels
By RytrWalnut, United States1 product across 1 category
Strong fit. The cheapest usable option in this category by a wide margin, with a genuine free tier rather than a trial.
Free plan
Yes
Free forever with no card required: 10,000 characters a month of AI content generation, and no
Month to month
$9/mo
Unlimited
Billed yearly
$7.50/mo
Unlimited plan −17%
Watch out: Output needs more editing than the pricier tools, which is what you are trading for the price. The free tier is 10,000 characters a month, a few articles at most, and neither paid tier caps generation — the extra money buys tone matching across brands rather than volume.
All plans (3)
Plan
Price
What you get
Free
$0
Free forever with no card required: 10,000 characters a month of AI content generation, and no tone matching
Unlimited
$9/mo · $7.50/mo yearly
unlimited AI content generation and one tone match
Premium
$29/mo · $24.16/mo yearly
unlimited generation with multiple tone matches, aimed at freelancers writing for several brands. The yearly rate is ten months of the monthly one, which is how the page frames it as two months free
By SciSpaceBengaluru, India1 product across 1 category
Strong fit. Explains a paper section by section while you read it, and will answer questions against the PDF in front of you.
Free plan
Yes
Free tier with limited papers
Month to month
$20/mo
Premium
Billed yearly
$12/mo
Premium plan −40%
Watch out: Explanations are only as good as the paper is clear, and it will paraphrase confidently past a passage it has not understood. Paid tiers are metered in credits rather than papers, and the jump from the entry tier to the next is more than five times the price.
All plans (7)
Plan
Price
What you get
Free
$0
Free tier with limited papers
Premium
$20/mo · $12/mo yearly
1,200 credits a month, Pro model access, unlimited file downloads, deep research, systematic review and papers from Google Scholar, PubMed and arXiv
Advanced
$90/mo · $70/mo yearly
10,000 credits a month, ten times Premium, expert models, verified reports and unlimited refreshes at 5,000 credits each time you hit the limit
Max
$200/mo · $160/mo yearly
40,000 credits a month, up to 16 parallel agent chats and early feature access
Teams Premium
$25/mo · $15/mo yearly
the same 1,200 credits per user, plus admin role management
Teams Advanced
$100/mo · $75/mo yearly
10,000 credits per user and up to 8 parallel agent chats each
Teams Max
$220/mo · $175/mo yearly
40,000 credits per user and 16 parallel chats each
By AtlassianSydney, Australia1 product across 1 category
Can do it. The simplest board tool that a whole team will actually adopt, now with AI that drafts cards and summarises lists.
Free plan
Yes
Free plan for up to 10 collaborators a workspace, with unlimited cards, up to 10 boards a
Month to month
$6/mo
Standard
Billed yearly
$5/mo
Standard plan −17%
Watch out: A board tool with AI added rather than an AI tool. If you want the model to do the work rather than tidy the card, look elsewhere.
All plans (4)
Plan
Price
What you get
Free
$0
Free plan for up to 10 collaborators a workspace, with unlimited cards, up to 10 boards a workspace, and to-do capture from email, Slack and Teams
Standard
$6/mo · $5/mo yearly
unlimited boards, AI, and to-do capture from email, Slack and Teams powered by AI
Premium
$12.50/mo · $10/mo yearly
adds the Calendar, Timeline, Table, Dashboard and Map views, and workspace-level views
Enterprise
$17.50/mo yearly
the rate moves with the number of users, so it is not a fixed figure. Adds unlimited workspaces, organisation-wide permissions, organisation-visible boards, Atlassian Guard Standard and 24/7 enterprise admin support. AI starts at Standard, so the free plan is boards without it
There is no single answer, which is why this page lists 54 rather than one. 33 of them are built for the job they are listed under. Start with a free one.
Which of these are free for students?
54 of the 54 have a genuine free plan: Canva Magic Studio, ChatGPT, Claude, Connected Papers, Consensus, DeepL Write, Descript, Elicit, Gamma, Gemini, Gemini Deep Research, Gemini Notebook, GitHub Copilot, Grammarly, Hemingway Editor, Julius AI, LanguageTool, Lex, Litmaps, Lovable, Notion, Otter.ai, Paperguide, Perplexity, Poe, ProWritingAid, QuillBot, Replit, ResearchRabbit, Scholarcy, Trinka AI, Wordtune, You.com, AskYourPDF, ChatGPT deep research, ChatGPT image generation, Claude research mode, Explainpaper, Gemini Code Assist, Gemini image generation, Gemini in Workspace, Ginger, Humata, HyperWrite, Jenni AI, Khanmigo, Kickresume, Notion AI, Petal, Pixlr, Rytr, SciSpace, Character.AI, Trello. Free means a real free tier, not a trial.
How were these picked for students?
Every tool on this site is tagged with who it suits. This page is that filter, nothing more — no tool was added or promoted for being here, and placement is not for sale.
