Best AI SEO tools in 2026

• SEOFree tier

  Ahrefs

  An SEO toolset for backlinks, keyword research, site audits and rank tracking, now with AI content tools, MCP access and AI-search tracking.

  SubscriptionFree; Starter $29/mo

• SEO

  Frase

  An SEO and content agent that researches what ranks, writes and optimises articles, and audits pages for search and AI answers.

  Subscription$49/mo

• SEO

  Surfer

  An SEO content tool that drafts and optimises articles for target keywords and tracks your brand's visibility in AI search.

  Subscription$49/mo (billed yearly)

• SEO

  Search Atlas (OTTO SEO)

  An SEO platform with OTTO, an agent that finds and deploys technical, on-page and local SEO fixes across your sites.

  Subscription$99/mo

• SEO

  Clearscope

  A content optimisation tool that grades drafts against what ranks and tracks how your pages perform in search and AI answers.

  Subscription$129/mo

• SEOFree tier

  Semrush

  A large SEO and marketing suite: keyword and competitor research, site audits, rank tracking and AI-search visibility, with AI assistants built in.

  SubscriptionFree; paid from $139/mo

• AlSEO

  Alli AI

  Pushes on-page and technical SEO changes to many sites at once through a code snippet, for agencies and multi-site businesses.

  Subscription$299/mo

How we ordered this list: whether the vendor publishes its prices, then the number of verified public use cases we've found, then the lowest listed monthly plan. Only full listings (verified starting price with its source) are included. We haven't tested these hands-on. How we rank.

Pricing compared

Public pricing of AI SEO tools, with the date each price was checked

Agent	Starts at	Model	Free plan	Plans	Checked	Source
Ahrefs	Free; Starter $29/mo	Subscription	Yes	Ahrefs Free: $0 Starter: $29/mo Lite / Standard / Advanced: $129 / $249 / $449 per mo Enterprise: $1,499/mo	October 21, 2026	Source
Frase	$49/mo	Subscription	No	Starter: $49/mo Professional: $129/mo Scale: $299/mo Extra seat: $29/mo	October 21, 2026	Source
Surfer	$49/mo (billed yearly)	Subscription	No	Discovery: $49/mo Standard: $99/mo Pro: $182/mo Peace of Mind: $299/mo AI Visibility: $82/mo	October 21, 2026	Source
Search Atlas	$99/mo	Subscription	No	Starter: $99/mo Growth: $199/mo Pro: $399/mo Agency: from $999/mo	October 21, 2026	Source
Clearscope	$129/mo	Subscription	No	Essentials: $129/mo Business: $399/mo Enterprise: Custom	October 21, 2026	Source
Semrush	Free; paid from $139/mo	Subscription	Yes	Free: $0/mo Starter: $139/mo Pro+: $199/mo Advanced: $299/mo Additional users: from $45/mo	October 21, 2026	Source
AlAlli AI	$299/mo	Subscription	No	Business: $299/mo Agency: $599/mo	October 21, 2026	Source

Download this table as a CSV (free, CC BY 4.0: product, starting price, pricing model, free plan, every listed plan, checked date, vendor pricing page).

Prices are copied from each vendor's public pricing page on the date shown. "not published" or "Contact sales" means the vendor doesn't publish a price; we don't guess. Prices change; confirm with the vendor.

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