The best AI SEO tools in 2026 (free and paid)

"AI SEO" gets used for two completely different jobs, and most "best AI SEO tools" lists only cover one of them.

The first job is using AI to do traditional SEO faster: write and optimize content, build briefs, cluster keywords. The second is the newer one: optimizing so AI search itself recommends you when someone asks ChatGPT or Perplexity "what's the best tool for X". That second job is called answer engine optimization (AEO), and it's where most of the 2026 attention is going.

This list covers both. I build one of the tools in the AEO half, so treat that section as informed but interested, and I've pointed out where other tools are the better pick.

The two kinds of "AI SEO" tool

Job	What the tool does	Examples
Use AI to do SEO	Write, optimize, and research content with AI	Surfer, Jasper, Frase, Semrush AI
Get found by AI search	Track and improve how AI assistants describe and recommend you	FixAEO, Profound, Peec AI, Otterly, AthenaHQ

Pick based on the job you actually have. If you're publishing a lot of content, you want the first group. If you're worried AI assistants don't mention your brand, you want the second. The line is blurring fast, though: Surfer, Frase, Semrush, and Ahrefs have all added AI-visibility features. Those are bolt-ons, while the second group is purpose-built for it, but it means you may already have a basic version inside a tool you pay for.

Tools for getting cited by AI (AEO / AI visibility)

This is the category that barely existed in 2024 and is now crowded. These tools tell you whether AI engines name your brand, and what to fix. For the deep, AEO-only comparison, see best AEO tools in 2026 — here's the short version.

FixAEO (best free option)

Best for: founders and small teams who want to see their AI visibility across every major engine without paying to start.

FixAEO scans how 8 AI engines (ChatGPT, Claude, Copilot, Gemini, Perplexity, Grok, DeepSeek, and Google AI Overviews) describe and recommend your brand, then gives concrete fixes. It also ships 20 free utility tools (schema generator, llms.txt generator and validator, robots.txt tools, sitemap validator, and more).

Free tier	A Gemini-powered scan plus all 20 tools, no signup
Lite	$25–29/mo for daily tracking across all 8 engines, multi-domain, alerts
Strength	Free to start, broadest engine coverage, no signup to scan
Weaker on	No enterprise procurement (SSO, SOC 2) or turnkey BI integrations yet

Run a free scan or open the AI rank tracker.

Profound (best for enterprise)

Best for: enterprise marketing teams with budget and procurement requirements. Sales-led, custom pricing, with prompt-volume data from real AI conversations and autonomous "agents." Overkill for a solo founder.

Peec AI (best for analytics teams)

Best for: marketing teams that want AI-visibility data piped into their BI. Tracks mention rate, position, and sentiment, with CSV and Looker integrations. Public pricing from around €85/mo; no permanent free tier.

Otterly (best for content teams)

Best for: content teams that want pre-publish scoring. A GEO research platform from around $29/mo.

AthenaHQ (best for GEO depth)

Best for: teams that want sentiment and hallucination detection plus BI integrations. Enterprise-leaning, from around $295/mo, no free tier.

AI tools for traditional SEO (content and on-page)

These use AI to help you produce and optimize content. Their core job is the writing and on-page work, and several have recently added their own AI-visibility tracking (noted below).

Surfer SEO

Best for: optimizing a draft against what's already ranking. Surfer now positions itself as an "AI search and content intelligence platform": it scores your content against live SERP and NLP data, and has added tracking for how you appear in ChatGPT, Gemini, and Perplexity. Paid from $49/mo (Discovery, billed yearly), with a free option to start.

Jasper

Best for: marketing teams producing content at volume. Jasper is an AI copywriting and content platform with brand-voice controls and templates. Paid from $59/mo (Pro, billed yearly), with a 7-day free trial.

Frase

Best for: turning a keyword into a research-backed brief fast. Frase now calls itself a "content operating system for AI search": it researches a topic, drafts it in your voice, publishes to your CMS, and scores it for both search and AI. Paid from $39/mo (Starter, billed yearly), with a 7-day free trial.

All-in-one SEO suites that added AI

If you already pay for a big SEO suite, you may not need a separate AI tool.

Semrush

The full SEO suite (keywords, backlinks, audits) from $139.95/mo (Pro). It now sells a separate AI Visibility Toolkit at $99/mo per domain to track brand mentions in AI answers, or a Semrush One bundle from $199/mo that combines both.

Ahrefs

A leading SEO toolset whose Brand Radar tracks your brand's visibility across AI answers (AI Overviews and AI Mode, ChatGPT, Perplexity, Copilot, Gemini, Grok) plus YouTube and Reddit, billing itself as the largest AI-visibility database. Paid, alongside Ahrefs' core backlink and keyword tools.

Which should you pick?

• Publishing a lot of content? Start with Surfer or Frase for optimization, Jasper if you need volume.
• Worried AI doesn't mention your brand? Start with an AEO tool. FixAEO is free to check; move to Profound or Peec if you need enterprise depth or BI.
• Already on Semrush or Ahrefs? Use their AI features first, then add a dedicated AEO tool when AI visibility becomes a real KPI.
• Solo or small budget? FixAEO free tier + a content optimizer's trial covers most of what you need at $0 to start.

The honest take: in 2026, "AI SEO" increasingly means the second job. Your content can be perfect and still be invisible if ChatGPT recommends a competitor. Tracking and fixing that is the part most teams haven't started yet.

FAQ

What's the best free AI SEO tool?

For AI-visibility (AEO), FixAEO has a genuinely free tier (a Gemini scan plus 20 tools, no signup). Most content tools (Surfer, Jasper, Frase) are paid with free trials rather than free tiers.

Is AI SEO the same as AEO or GEO?

Not quite. "AI SEO" usually means using AI to do regular SEO. AEO (answer engine optimization) and GEO (generative engine optimization) mean optimizing so AI assistants cite you. See AEO vs SEO and GEO vs AEO vs SEO.

Do I need both kinds of tool?

Eventually, yes. A content tool helps you produce good pages; an AEO tool tells you whether AI search actually surfaces them. They solve different halves of the same problem.

Will an AI writing tool get me cited by ChatGPT?

It helps you publish faster, but being cited depends on authority, structure, and being a recognized entity, not just volume. That's what AEO tools measure.

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Want to see where you stand right now? Run a free FixAEO scan and check how all 8 AI engines describe your brand, no signup required.