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 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 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. 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 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 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 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 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 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 TextCortexBerlin, Germany1 product across 1 category
Strong fit. A browser extension that writes inside whatever site you are already in, rather than a separate window you paste between.
Free plan
Yes
Free tier with a daily creation allowance and no card required: knowledge bases, up to 50MB of
Month to month
$29.99/mo
Premium
Billed yearly
$23.99/mo
Premium plan −20%
Watch out: Breadth over depth against a dedicated tool. There is only one paid tier before Enterprise, and the model usage it includes is footnoted rather than stated, so check the allowance before committing.
All plans (3)
Plan
Price
What you get
Free
$0
Free tier with a daily creation allowance and no card required: knowledge bases, up to 50MB of file storage and custom agents
Premium
$29.99/mo · $23.99/mo yearly
everything in the free tier plus access to all the major models and an included AI model usage allowance, which the page footnotes rather than states
Enterprise
Custom
everything in Premium plus single sign-on with SCIM and SAML, and dedicated deployment. Every figure on the page is quoted excluding VAT
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 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 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 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 SudowriteSan Francisco, United States1 product across 1 category
Strong fit. Built for long fiction: it holds a story bible, keeps characters consistent across chapters, and suggests rather than replaces.
Free plan
No
Paid from the start
Month to month
$19/mo
Hobby & Student
Billed yearly
$10/mo
Hobby & Student plan −47%
Watch out: Paid from the start, though the trial takes no card. The tiers differ mainly by monthly credits — 225,000, one million and two million — rather than by features, so the question is how much you write.
All plans (3)
Plan
Price
What you get
Hobby & Student
$19/mo · $10/mo yearly
225,000 credits a month, for people writing for fun or for school
Professional
$29/mo · $22/mo yearly
1,000,000 credits a month, raised from 450,000 as this was checked, and pitched at a novel or a screenplay
Max
$59/mo · $44/mo yearly
2,000,000 credits a month, for authors publishing several times a year. Every tier carries the same story intelligence, style matching and continuity across a series, and all three open on a free trial that asks for no card
Two things separate these and both are on every card.
Fit
Whether a tool is built for this job, a strong fit for it, or
able to do it without that being its focus.
Free plan
Whether there is a tier you can keep using rather than a
trial that expires.
The order
Fit first, then a free plan, then alphabetical. There is
no score, no weighting we decline to publish, and nothing on this site a company can buy.
Questions
What is the best ai writing tools?
There is no single answer, which is why this page lists 20 rather than one: Grammarly, QuillBot, ProWritingAid, LanguageTool, Wordtune, DeepL Write, Hemingway Editor, Claude, ChatGPT, Lex, HyperWrite, TextCortex, Rytr, Jenni AI, Sudowrite, Notion AI, Gemini in Workspace, Qwen, Le Chat (Mistral), Gamma. 11 of them are built for this kind of work rather than able to do it. Start with a free one.
Which of these have a free plan?
19 of the 20: Grammarly, QuillBot, ProWritingAid, LanguageTool, Wordtune, DeepL Write, Hemingway Editor, Claude, ChatGPT, Lex, HyperWrite, TextCortex, Rytr, Jenni AI, Notion AI, Gemini in Workspace, Qwen, Le Chat (Mistral), Gamma. Free means a real free tier you can keep using, not a trial that expires.
How was this list chosen?
By hand, from the 750 products this site tracks, and it is checked against the catalogue on every build — a product renamed or removed breaks the build rather than quietly disappearing from here. Nothing on this site can be paid for: no listing, no position, no wording.