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AI Tools for SEO & content optimisation Compared

31 AI tools for SEO & content optimisation, part of the Content & SEO category, with prices, limits and sources.

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Ahrefs

SEO & content optimisation

SEO and AI marketing platform with backlink analysis, keyword research, site audit, and AI-prompt/brand-visibility tracking.

Free accessFree plan
Paid fromStarter · €27200 research credits per month
  • Ahrefs combines keyword and backlink research with technical site audits and tracking of brands in AI answers.
  • Site Explorer and Site Audit for your verified websites

Details Visit site (opens in a new tab)

Brand24

SEO & content optimisation

Monitor web and social media mentions and analyze them with AI; additional modules track AI visibility.

Free accessFree trial
Paid fromIndividual (annual) · 199 USD3 keywords and 2000 mentions per month
  • Web and social media monitoring with AI sentiment analysis
  • Individual: 3 keywords, 2000 mentions per month and 1 user

Details Visit site (opens in a new tab)

CiteRank

SEO & content optimisation

CiteRank (thecompound) checks each week whether ChatGPT, Perplexity, Google AI, Gemini, and Claude cite, name, or omit your brand.

Free accessNo free plan published
Paid fromSolo · $3$3/month. 1 brand, 10 questions, ChatGPT, Perplexity, and Google AI plus competitor share of voice.
  • Monday email report, no account: the dashboard link is the credential
  • Solo covers ChatGPT, Perplexity, and Google AI plus competitor share. Founder and Studio cover all five engines plus the cited-source list

Details Visit site (opens in a new tab)

Clearscope

SEO & content optimisation

Clearscope is an AI-assisted content optimization tool that analyzes top-ranking pages and delivers keyword and structure recommendations for SEO content.

Free accessFree trial
Paid fromEssentials · $12914-day free trial
  • AI-assisted SEO content optimization
  • Essentials for $129/month

Details Visit site (opens in a new tab)

Copyleaks

SEO & content optimisation

Plagiarism checking and AI text detection in one platform, with LMS integrations for educational institutions.

Free accessNo free plan published
Paid fromPersonal · 13.99 $Personal: 1,200 credits with annual billing, 100 with monthly billing
  • Personal: 1,200 credits with annual billing or 100 with monthly billing
  • AI text detection in 30+ languages; plagiarism detection in 100+ languages

Details Visit site (opens in a new tab)

CoSchedule Headline Analyzer

SEO & content optimisation

Rule-based headline analyzer with an AI extension (Headline AI) for blogs, emails, social posts and podcasts.

Free accessFree plan
Paid fromPremium · contact salesEverything in Basic plus headline and keyword suggestions
  • Headline analysis with sentiment and emotion scoring
  • Word-balance and power-word checking for high-impact copy

Details Visit site (opens in a new tab)

Diploria AI

SEO & content optimisation

Diploria AI tracks brand mentions across 12 AI engines and scores how ready pages are to be cited.

Free accessFree plan
Paid fromStarter · $29$29/month or $23/month billed annually ($278/year). 1,500 credits, 12 engines.
  • Free: 50 credits per month, 3 Memory engines, 1 brand and 1 market
  • Annual billing is 20 percent less. An extra brand on Advanced is $59 per month or $47 on the annual view

Details Visit site (opens in a new tab)

Frase

SEO & content optimisation

Create and monitor content for SEO, GEO, and AI visibility.

Free accessFree trial7 days without a card.
Paid fromStarter · 49 $ per month, or 39 $ per month billed annually1 seat and 1 site
  • Content creation and monitoring for SEO, GEO, and AI visibility
  • Full Professional feature set in the free 7-day trial

Details Visit site (opens in a new tab)

GrowthBar

SEO & content optimisation

AI writing tool for SEO content with keyword research, competitor analysis and a blog generator.

Free accessFree trial
Paid fromStandard (monthly) · $3625 AI blog articles or audits/month
  • 25 AI blog articles or audits per month in the entry plan
  • 500 AI paragraph generations per month in the entry plan

Details Visit site (opens in a new tab)

HollyGlobe AI

SEO & content optimisation

Core capabilities include: Analyze brand visibility in AI search; Prepare marketing content with AI; Analyze and optimize advertising activities.

Free accessnot publishedA free AI allowance is not clearly specified.
Paid fromAccess · Not verified for this marketAnalyze brand visibility in AI search
  • Analyze brand visibility in AI search
  • Prepare marketing content with AI

Details Visit site (opens in a new tab)

MarketMuse

SEO & content optimisation

Plan topic inventory, content briefs, and strategic SEO documents using proprietary topic models.

Free accessFree plan10 queries/month, 1 user, no briefs or tracked topics.
Paid fromOptimize · contact sales1 user and 1 site inventory
  • Topic inventory, coverage analysis, and content briefs on proprietary topic models
  • Topic Navigator, SERP X-ray, heatmap, and Connect

Details Visit site (opens in a new tab)

MaxAEO

SEO & content optimisation

AI search monitoring for brands, competitors and cited sources.

Free accessFree trial
Paid fromStarter · month · 19 USDTrack brand mentions and citations in AI answers
  • Track brand mentions and citations in AI answers
  • Compare visibility and competitors using defined prompts

Details Visit site (opens in a new tab)

Moderation API

SEO & content optimisation

AI-powered content moderation API for text, image, video and audio with pre-built detectors for toxicity, NSFW, spam and PII.

Free accessFree plan
Paid fromBasic · 79 $ per month10,000 messages/month
  • AI-powered detection of toxicity, NSFW content, spam, and personally identifiable information (PII) via REST API
  • Text and image moderation in the Hobby plan; video and audio moderation from Basic

Details Visit site (opens in a new tab)

neuroflash

SEO & content optimisation

Create marketing content and test reactions from simulated audiences before publication.

Free accessFree trial7 days. Payment method required and paid continuation unless cancelled.
Paid fromEssential · Not verified for this market10 images/day
  • Create marketing content and test reactions from simulated target audiences before publication
  • Digital Twins: 2 audiences with 6 simulated persons each in the Essential plan

Details Visit site (opens in a new tab)

NEURONwriter

SEO & content optimisation

Scale SERP-based briefs, SEO analysis, AI drafts, and AI-visibility monitoring.

Free accessFree trial7 days of Gold capabilities. No permanent free tier.
Paid fromBronze · $23 / $192 projects
  • SERP-based content briefs and semantic text optimization via AI
  • AI first drafts and unlimited AI and SEO drafts from the Gold plan

Details Visit site (opens in a new tab)

Okara

SEO & content optimisation

Okara is an AI CMO that analyses a site, then runs agents for SEO, GEO, content, social, Reddit, influencers, UGC, and code fixes as pull requests.

Free accessFree plan
Paid fromAI CMO Lite · 129 USD129 USD a month or 1290 USD a year (108 USD a month).
  • The free plan is analysis and strategy only.
  • Lite and Pro unlock the agent suite.

Details Visit site (opens in a new tab)

Originality.AI

SEO & content optimisation

AI text and plagiarism detector with grammar and fact checking for content teams, education and publishers, billed via a credit system.

Free accessFree plan
Paid fromPro · 12.95 $ / 14.95 $2,000 credits per month (1 credit = 100 words; combined AI and plagiarism check costs 2 credits per 100 words)
  • Detection of AI-generated content from ChatGPT, Claude, Gemini, and other models
  • Plagiarism checking with source linking for 20 languages

Details Visit site (opens in a new tab)

Outranking

SEO & content optimisation

SEO content platform that plans keyword clusters, builds briefs, writes AI first drafts and optimises text including internal linking.

Free accessFree trial
Paid fromStarter (monthly) · 1,500 $4 SEO documents
  • AI text creation with SERP briefing, keyword research, and semantic optimization
  • SEO Writer: 15 SEO documents, 2 users and automatic internal linking

Details Visit site (opens in a new tab)

querying.ai

SEO & content optimisation

API for GEO: real answers from seven AI search engines, source analysis and brand monitoring.

Free accessOne-off free allowance
Paid fromBasic · $2010,000 credits per month
  • ChatGPT, Gemini, Perplexity, Google AI Overviews and AI Mode plus Naver AI Brief and AI Tab in one API
  • 2,000 free credits without a card

Details Visit site (opens in a new tab)

RankControl

SEO & content optimisation

AI SEO and AEO: content that ChatGPT, Perplexity, Claude, Gemini, Grok, and Google cite, plus native CMS publish. One flat plan, not a classic agency alone.

Free accessFree trial
Paid fromRankControl · $400$400/month, all-inclusive per the comparison block on rctrl.com.
  • Flat $400/month, optional strategist $1,500
  • AI SEO/AEO for ChatGPT through Google, not a classic agency alone

Details Visit site (opens in a new tab)

Reputation

SEO & content optimisation

Enterprise platform for multi-location online reputation management: centralizes reviews from 150+ platforms, automates review requests, and provides AI-assisted reply suggestions and sentiment analysis.

Free accessNo free plan published
Paid fromRep Core · 80 $Review management (collection, requests, AI-assisted replies)
  • Collect and manage reviews from 150+ platforms in one place
  • Automated review requests and AI-assisted reply suggestions

Details Visit site (opens in a new tab)

Scalenut

SEO & content optimisation

Track brand visibility in AI search and create, optimise, and audit GEO content.

Free accessFree trial7 days. No permanent free tier.
Paid fromStarter regular · $5910 AI-visibility prompts with weekly refresh
  • Track brand visibility in AI search responses (ChatGPT and Google AI Overviews)
  • Starter tier: 10 AI-visibility prompts per week and 5 new plus 5 optimised GEO articles per month

Details Visit site (opens in a new tab)

SE Ranking

SEO & content optimisation

SE Ranking is an all-in-one SEO platform with rank tracking, keyword research, backlink analysis, site audits, and an AI Search add-on.

Free accessFree trialFree for 14 days with no credit card. The trial includes up to 10 projects, 750 keywords, and 20 AI prompts per day.
Paid fromCore · $103.20 / $12910 projects
  • All-in-one SEO with rank tracking, keyword research, backlink analysis and site audits
  • Core: 10 projects, 1 manager seat, 2,000 keywords tracked daily, 250,000 pages audited/month

Details Visit site (opens in a new tab)

Semrush Content Toolkit

SEO & content optimisation

Find SEO topics, create briefs and articles, optimise them, and publish directly to WordPress.

Free accessFree plan50 rewrites/month in the free extension. The full toolkit has a 7-day trial.
Paid fromContent Base · $60Unlimited standard articles
  • Topic ideas and SEO briefs from Semrush data
  • AI article drafts, rewriting, and integrated chat

Details Visit site (opens in a new tab)

Silktide

Active · enterprise only

SEO & content optimisation

UK web-governance platform that checks accessibility (WCAG), SEO and content quality in one interface, with an AI assistant that explains findings in plain language and suggests fixes.

Free accessFree plan
Paid fromSilktide Platform (custom pricing) · contact salesNo public price: the pricing page states that cost depends on website size, support needs and required modules
  • Silktide AI explains accessibility and content findings in plain language and suggests alt text, meta descriptions and SEO improvements
  • Accessibility (WCAG 2.2), SEO and content governance in one interface

Details Visit site (opens in a new tab)

Sistrix

SEO & content optimisation

Sistrix is an SEO platform for the German-speaking market with a visibility index, keyword research, content marketing tools and link analysis.

Free accessFree trial
Paid fromStart · 119 €1 user account
  • Visibility Index (VI) as a single metric for SEO performance in German-speaking markets
  • Keyword research, domain analysis, backlink directory, and on-page check in one interface

Details Visit site (opens in a new tab)

Sorank

SEO & content optimisation

Sorank writes AI articles, places backlinks, and tracks mentions in ChatGPT, Perplexity, Claude, Gemini, and Grok.

Free accessFree trial
Paid fromGrow · $99$99 per site per month, or $83 per month billed annually ($990 per year).
  • Price is per site. Several sites can sit in one account, each with its own subscription
  • 3-day trial. Taxes are excluded

Details Visit site (opens in a new tab)

Surfer

SEO & content optimisation

Plan and optimise SEO content using search intent, SERP data, and a content score.

Free accessFree trial7-day free trial of the Pro plan for new accounts, then paid. No permanent free tier.
Paid fromDiscovery · $49120 documents per year to create or optimize on annual billing
  • Plan SEO content from search intent and SERP data
  • Content Score and guidelines while you write

Details Visit site (opens in a new tab)

TubeBuddy

SEO & content optimisation

Browser extension and dashboard for YouTube channel management with keyword/tag research, an AI-assisted Title Generator and thumbnail tools.

Free accessNo free plan published
Paid fromPro · 3.99 $ / 4.99 $Basic video/thumbnail tools
  • Manage YouTube channels from a browser extension and dashboard
  • Keyword and tag research for videos

Details Visit site (opens in a new tab)

Undetectable.ai

SEO & content optimisation

AI humanizer that rewrites AI-generated text so detectors such as Turnitin or Copyleaks no longer flag it as AI-generated.

Free accessFree trial
Paid fromStarter · 9.99 $ / 60 $10,000 words per month
  • AI humanizer rewrites AI text so common detectors are less likely to flag it as AI
  • Compatible with checkers such as Turnitin and Copyleaks per the vendor

Details Visit site (opens in a new tab)

vidIQ

SEO & content optimisation

AI-powered YouTube tool for keyword and trend research, optimization tips, thumbnail generation and an AI coach for channel growth.

Free accessFree plan
Paid fromBoost · 16,58 Euro2,000 AI credits/month, thumbnail creation
  • Keyword and trend research tailored for YouTube channels
  • AI coach for channel growth and video optimisation tips

Details Visit site (opens in a new tab)

Alphabetical order. This is not a quality ranking.

Comparison criteria

We compare free access, paid entry, plan limits, features and the listed official sources. Unsourced figures stay marked as not published.

Methodology

Only confirmed entries appear in the catalog. Prices, plans and limits come from listed official vendor pages. Missing figures stay marked as not published. Search results are ordered by Task match by default; category and task lists are alphabetical. Both can be switched to Free access first; neither is a quality ranking. The vendor page always wins.

Is this a ranking?

No. Search results are ordered by Task match by default; category and task lists are alphabetical. Both can be switched to Free access first. We do not award stars or a test winner.

What does "free access" mean for the listed tools?

Free access can mean a permanently free plan, a time-limited trial, or a one-off starting credit with no card required. The exact type is stated on each tool's own page.

How many of the listed tools offer free access?

26 of 31 listed tools offer free access - a permanent plan, a trial, or a no-card credit.

How do I see tools with free access first?

Use the “Free access first” toggle above the list to see tools with free access first.