Semrush vs Writesonic

Semrush focuses on SEO platforms; Writesonic focuses on GEO & AI visibility.

• 4documented differences
• 9documented the same for both
• 8documented for one tool only
• 0unknown for both

Billing

Semrush: Month-to-month billing

Writesonic: Month-to-month billing

Free plan

Semrush: Yes · Free

Writesonic: Unknown

Free trial

Semrush: Yes · 7 days

Writesonic: Yes · 7 days, no card required

AI engines tracked

Semrush: ChatGPT, AI Overviews, AI Mode, Perplexity and Gemini (confirmed from Starter)

Writesonic: ChatGPT, AI Overviews and Gemini (confirmed from Starter, the lowest paid plan); AI Mode, Perplexity, Claude and Copilot (confirmed from Enterprise)

Documented differences

Both tools documented, and the support or plan differs.

No capability differences are documented beyond AI engine coverage and pricing. 9 capabilities are documented for both tools at the same level. 8 are documented for one tool only, so whether they differ is not known.

Documented for one tool only

No documentation was found for the other tool. That is unknown, not a missing capability.

• Unknown for Semrush: Automated publishing, Content refresh
• Unknown for Writesonic: Rank tracking, Backlink analysis, Backlink building, Link-building outreach

• The lowest listed plans are not necessarily equivalent. Check plan limits before comparing prices.

Plans

Semrush:

• FreeFree
  Limits of Free

  1 demo project, 10 reports per day.

• SEO$139/mo month-to-month$117.33/mo billed annually
  Limits of SEO

  5 websites, 500 keywords tracked daily, 'Basic keyword research and competitor analysis'. Lists AI visibility reports and custom prompt monitoring, with no prompt limit stated; the plan is not labelled 'SEO + AI Search'. 1 user seat included; additional users from $45/mo.

• Starter$199/mo month-to-month$165.17/mo billed annually
  Limits of Starter

  Semrush One tier. 5 websites, 500 keywords daily, 50 AI prompts daily, 1 domain for AI brand performance. 1 user seat included; additional users $45/mo each, plus $99/mo per added user for AI Visibility Toolkit access.

• Pro+$299/mo month-to-month$248.17/mo billed annually
  Limits of Pro+

  Semrush One tier. Adds historical SEO data, content optimization, multi-location/device tracking, 100 AI prompts daily. 1 user seat included; additional users $80/mo each, plus $99/mo per added user for AI Visibility Toolkit access.

• AdvancedContact sales — Custom pricing
  Limits of Advanced

  40+ websites, 5,000+ keywords daily, SEO share of voice, 'Advanced API data integration'. 1 user seat included; additional users $100/mo each, plus $99/mo per added user for AI Visibility Toolkit access.

Writesonic:

• Starter$99/mo month-to-month$79/mo billed annually
  Limits of Starter

  50 prompts; ChatGPT, Gemini, Google AI Overviews; 15 AI articles/mo; 10 site audits (100 pages each); 1 user, 1 project

• Basic$249/mo month-to-month$199/mo billed annually
  Limits of Basic

  100 prompts; 25 AI articles/mo; 20 site audits (1,200 pages each); 2 users

• Growth$499/mo month-to-month$399/mo billed annually
  Limits of Growth

  200 prompts; 50 AI articles/mo; 50 site audits (2,500 pages each); 3 users, 2 projects; Action Center trial only

• EnterpriseContact sales — Custom pricing
  Limits of Enterprise

  All 9 AI platforms; full Action Center; GA4, Looker Studio; SSO/SAML

Prices last verified

Semrush: 26 Oct 2026

Writesonic: 27 Oct 2026

Contentful

Semrush: Unknown

Writesonic: Documented (publishing)

Google Analytics

Semrush: Documented

Writesonic: Listed* (not yet verified)

Google Search Console

Semrush: Documented

Writesonic: Documented

Looker Studio

Semrush: Listed* (not yet verified)

Writesonic: DocumentedConfirmed from EnterpriseAvailability on lower plans not verified.

Public API

Semrush: Listed* (not yet verified)

Writesonic: Documented

Wix

Semrush: Documented

Writesonic: Unknown

WordPress

Semrush: Documented

Writesonic: Documented (publishing)

Zapier

Semrush: Documented

Writesonic: Unknown

“Unknown” means we found no vendor documentation for it, not that it is unavailable.

Built for (vendor-stated)

Semrush: Freelancers and consultants, Small businesses, Agencies, Enterprises, Ecommerce brands

Writesonic: Agencies, Enterprises

Best suited for (SEOFinder editorial)

Semrush:

• Teams managing several websites (5 on SEO and Starter, 15 on Pro+).
• Competitor research in organic search.

Writesonic:

• Small teams: 1–3 users and 1–2 projects on the self-serve plans.

Each vendor's own pages, read on the dates shown. SEOFinder has not independently tested these products.