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Updated 4 September 2026 · Independent comparison

Semrush vs Writesonic:
which should you use?

Semrush and Writesonic, side by side. Find the one that fits what you need to do.

Find your best fit

The 30-second answer

Semrush is built for marketing & content creation. Writesonic tracks how a brand turns up in ChatGPT, Gemini and Google AI Overviews, then drafts articles and audits the site to close the gaps it finds.

Pricing, simplified

Start free. Upgrade when you need more.

1 of 2 have a free plan 0 of 2 prices re-read automatically · how we know No paid placement

The 30-second comparison

If you only read one section, make it this one. Rows where both sides say the same thing are left out — the point is where they differ. Where each row came from is listed underneath.

Semrush and Writesonic side by side, with the better fit for each row.
CategorySemrushWritesonicBetter fit
What it's built forReal search data underneath the AI, so a keyword volume or a ranking is something you can check rather than something a model guessed.Tracks how a brand turns up in ChatGPT, Gemini and Google AI Overviews, then drafts articles and audits the site to close the gaps it finds.Semrush
Fit for marketing & content creationBuilt for thisStrong fitSemrush
Free planYes. Free account, capped at around ten results per report and ten reports a dayNo. Paid from the start.Semrush
Cheapest way to pay$139.95 a month.$99 a month.Writesonic
What the paid tiers cost
  • One person, from $139.95/month
  • One person, from $99/month
  • Enterprise, priced on request
Tie
What to watch out forThe free account is heavily capped — around ten results a report and ten reports a day — which is enough to evaluate and not to work.Now sold as an AI search visibility platform rather than the copywriter it started as, and priced accordingly, from $79 a month. Plans are capped on prompts and answers tracked, not seats, and agencies are quoted on a separate page. Long drafts still need a rewrite to sound like anyone.Tie
What it asks of youExpects some technical comfort to get going.No setup — it works in a browser.Tie
Made bySemrush — Boston, US.Writesonic — Bengaluru, IN.Tie

Semrush is ahead on 3 of the 8 rows compared, 3 of them about how well it does the job itself, against 1 to Writesonic. That is a clear lead rather than a tiebreaker.

Overall pick

Semrush

Real search data underneath the AI, so a keyword volume or a ranking is something you can check rather than something a model guessed.

✓ The job is mainly marketing & content creation ✓ Real search data underneath the AI, so a keyword volume or a ranking is something you can check rather than something a model guessed. ✓ You want to start without paying anything ✓ It is built for marketing & content creation
Choose Writesonic instead if…

Tracks how a brand turns up in ChatGPT, Gemini and Google AI Overviews, then drafts articles and audits the site to close the gaps it finds.

Writesonic is the better answer when the job is what it was built for rather than what the pick above does broadly.

✓ Tracks how a brand turns up in ChatGPT, Gemini and Google AI Overviews, then drafts articles and audits the site to close the gaps it finds. ✓ You want the cheaper paid plan, $99 against $139.95 ✓ You would rather not configure anything first ✓ It works in a browser with nothing to set up

How we know

Every row that separated these two, and where it came from. Nothing here is a hands-on test — if a line rests on a vendor’s own pricing page, it says so and links it.

The 4 rows that decided this page, with the source for each.
RowFavoursWeightWhere it came from
What it's built forSemrushHow well it does the jobFrom this site’s own catalogue record for each product — compiled by hand, not imported. How a product gets listed
Fit for marketing & content creationSemrushHow well it does the jobBoth products are listed under marketing & content creation in the catalogue, and this is the fit recorded against each listing. Everything listed under marketing & content creation
Free planSemrushHow well it does the jobFrom each vendor’s own pricing page. Dates and pages are listed below.
Cheapest way to payWritesonicEverything elseFrom each vendor’s own pricing page. Dates and pages are listed below.

The prices

Semrush. Read by hand off semrush.com on 4 September 2026. It is not on the monthly re-check, so confirm there before paying. semrush.com/pricing/seo-ai-search

Writesonic. Read by hand off writesonic.com on 4 September 2026. It is not on the monthly re-check, so confirm there before paying. writesonic.com/pricing

The ratings

The category these two share. Marketing & Content Creation — both are listed there in the catalogue, and the fit recorded against each listing is a judgement made here, by hand.

The nine-category grid below. Derived from what each product is listed for, by one script, once per build — so the same pair always reads the same. It is a derivation, not a review.

What this is not

Neither product was run side by side to produce this page. Nobody was paid to appear on it and nothing here is ranked by commission.

To put the same question to both and read the answers yourself, run them side by side — that is a live test, and this is not.

Choose based on what you’re doing

All ten categories, including the ones where neither of these is the answer. These ratings are derived from what each product is listed for, not from running it — a rating here is a reading of the record, and the record is linked.

01

General-Purpose AI Assistants

Questions, brainstorming, explanations, everyday tasks, decision-making, general advice.

Semrush
Not a good fit
Writesonic
Not a good fit
Best choice: Neither
02

Search, Research & Academics

Web research, deep research, books, academic papers, citations, news, fact-checking.

Semrush
Bad fit
Writesonic
Bad fit
Best choice: Neither
03

Writing, Communication & Language

Emails, reports, essays, editing, summarizing, translation, presentations.

Semrush
Not a good fit
Writesonic
Not a good fit
Best choice: Neither
04

Coding, Data & Technical Work

Programming, debugging, data analysis, spreadsheets, math, engineering, technical research.

Semrush
Bad fit
Writesonic
Bad fit
Best choice: Neither
05

Business, Finance & Professional Work

Business strategy, investing, market research, legal, sales, HR, accounting, consulting.

Semrush
Not a good fit
Writesonic
Not a good fit
Best choice: Neither
06

Image & Design

Image generation, photo editing, logos, graphics, product design, advertising creatives.

Semrush
Not a good fit
Writesonic
Not a good fit
Best choice: Neither
07

Video

Video generation and editing, clipping, subtitles, avatars, animation and motion capture.

Semrush
Not a good fit
Writesonic
Not a good fit
Best choice: Neither
08

Audio, Voice & Music

Voice generation, transcription, music, dubbing, sound cleanup and podcast production.

Semrush
Bad fit
Writesonic
Bad fit
Best choice: Neither
09

Marketing & Content Creation

Social media, SEO, advertising, copywriting, content ideas, scripts, brand development.

Semrush
Built for this
Writesonic
Good fit
Best choice: Semrush
10

Productivity, Automation & Personal Life

AI agents, workflows, scheduling, meetings, organization, shopping, travel, personal finance.

Semrush
Bad fit
Writesonic
Bad fit
Best choice: Neither
Pick Semrush if

Real search data underneath the AI, so a keyword volume or a ranking is something you can check rather than something a model guessed.

Boston, US
The job is mainly marketing & content creation
Real search data underneath the AI, so a keyword volume or a ranking is something you can check rather than something a model guessed.
You want to start without paying anything
It is built for marketing & content creation
Pick Writesonic if

Tracks how a brand turns up in ChatGPT, Gemini and Google AI Overviews, then drafts articles and audits the site to close the gaps it finds.

Bengaluru, IN
Tracks how a brand turns up in ChatGPT, Gemini and Google AI Overviews, then drafts articles and audits the site to close the gaps it finds.
You want the cheaper paid plan, $99 against $139.95
You would rather not configure anything first
It works in a browser with nothing to set up

Pricing, simplified

The plans people actually compare, read from each vendor’s own page.

PricingSimple, up-to-date plan overview.
Semrushby Semrush
Writesonicby Writesonic
Free version
Semrush
Yes — Free plan availableFree account, capped at around ten results per report and ten reports a day
Writesonic
No — paid from the startPaid from the start
Individual plans
Semrush
SEO $139.95 / month$117.33 / month (annual)
Starter $199 / month$165.17 / month (annual)
Pro+ $299 / month$248.17 / month (annual)
Advanced $549 / month$455.67 / month (annual)
Writesonic
Starter $99 / month$79 / month (annual)
Basic $249 / month$199 / month (annual)
Growth $499 / month$399 / month (annual)
Agency Starter $250 / month$200 / month (annual)
Business plans
SemrushNot sold to teams
WritesonicNot sold to teams
Enterprise
SemrushNot published
Writesonic
Custom pricing
View full details
SemrushView Semrush pricing
WritesonicView Writesonic pricing
Interactive

Tell us what you use AI for

Pick your main job and the verdict below changes to match. Every answer is on the page already, so this works as a reader, not a lookup.

The verdict for that job
Semrush
Semrush. It is built for marketing & content creation; Writesonic does it well without it being its focus; only Semrush has a free plan; Writesonic is cheaper to start paying for, $99 against $139.95.
8 rows compared

Frequently asked questions

Is Semrush or Writesonic better?

Semrush is ahead on 3 of the 8 rows compared, 3 of them about how well it does the job itself, against 1 to Writesonic. That is a clear lead rather than a tiebreaker. Semrush is built for marketing & content creation; Writesonic does it well without it being its focus; only Semrush has a free plan; Writesonic is cheaper to start paying for, $99 against $139.95. Semrush: Real search data underneath the AI, so a keyword volume or a ranking is something you can check rather than something a model guessed. Writesonic: Tracks how a brand turns up in ChatGPT, Gemini and Google AI Overviews, then drafts articles and audits the site to close the gaps it finds.

Is Semrush or Writesonic cheaper?

Writesonic — paid plans start at $99 a month against $139.95 a month.

Do Semrush and Writesonic both have free plans?

Semrush does — Free account, capped at around ten results per report and ten reports a day. Writesonic does not.

What should I watch out for?

Semrush: The free account is heavily capped — around ten results a report and ten reports a day — which is enough to evaluate and not to work. Writesonic: Now sold as an AI search visibility platform rather than the copywriter it started as, and priced accordingly, from $79 a month. Plans are capped on prompts and answers tracked, not seats, and agencies are quoted on a separate page. Long drafts still need a rewrite to sound like anyone.

Read more

Semrush

What it is for, who makes it, what it costs and what to use instead.

Writesonic

What it is for, who makes it, what it costs and what to use instead.

Best AI for Marketing

Social media, SEO, advertising, copywriting, content ideas, scripts, brand development.

How we compare AI tools
Every row is generated from the same record the rest of the site is built on, so this page cannot drift from what we say elsewhere. We separate winner, tie and depends rather than forcing each category into a ranking, and we drop rows where both sides say the same thing. A pick is only called an overall pick when it leads on rows about how well the tool does the job; a lead that rests on price or audience alone is labelled as one. Nothing here is a hands-on test — how we know lists the source and date behind every deciding row.