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Best AI SEO & content tools (2026)

Compared on what each vendor publishes. Prices checked October 22, 2026.

Tool	What it does	Entry price (official)	Free plan/trial
Surfer	AI SEO content optimization and AI-search visibility platform.	Discovery: $49/mo billed yearly	Not stated
Frase	AI SEO and GEO content platform with its own hosted CMS.	Starter: $39/mo billed yearly ($49 month to month), 1 seat	Yes
Semrush	SEO and AI-search visibility suite.	SEO plan: $117.33/mo billed annually ($139 monthly)	Not stated
Originality.ai	AI content detector, plagiarism checker, fact-checking aid and readability tool for publishers.	Free: $0, 10K words (100 credits) one time	Yes

AI SEO & content tools

AI SEO content optimization and AI-search visibility platform.

Discovery: $49/mo billed yearly / Standard: $99/mo billed yearly

AI SEO & content tools

AI SEO and GEO content platform with its own hosted CMS.

Starter: $39/mo billed yearly ($49 month to month), 1 seat / Professional: $103/mo billed yearly ($129 month to month), 3 seats, 5 sites

AI SEO & content tools

SEO and AI-search visibility suite.

SEO plan: $117.33/mo billed annually ($139 monthly) / Next tiers: $165.17/mo annually ($199 monthly) and $248.17/mo annually ($299 monthly)

AI SEO & content tools

AI content detector, plagiarism checker, fact-checking aid and readability tool for publishers.

Free: $0, 10K words (100 credits) one time / Pro: $12.95/mo billed annually or $14.95/mo monthly

FAQ

What are the best ai seo & content tools?

Tools covered here: Surfer, Frase, Semrush, Originality.ai. Pick by the job and budget; each entry links to its official pricing.

Are there free ai seo & content tools?

Frase: 'Start free trial' is offered on the pricing page., Originality.ai: Free tier: 100 credits (10,000 words) one time, no subscription required.