# AI tools for “Claim checking” 395 matching tools; showing 24, ranked by relevance. Related categories: [ai-checker](https://openaitools.app/category/ai-checker.md) | # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Why it matched | Profile (Markdown) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | [GPTZero](https://openaitools.app/tool/gptzero-me) | 23,246,989 | +32.5% | Freemium, Paid | AI detection and writing verification built for schools and editors | category: ai-checker; semantic match | [.md](https://openaitools.app/tool/gptzero-me.md) | | 2 | [CiteTrue](https://openaitools.app/tool/citetrue) | 43,073 | -13.9% | Free | Free AI citation checker that catches fake and hallucinated references | category: ai-checker; keywords 100%; semantic match | [.md](https://openaitools.app/tool/citetrue.md) | | 3 | [ZeroGPT](https://openaitools.app/tool/zerogpt) | 32,864,541 | +19.7% | Freemium, Paid | AI content detection and a full writing toolkit in one place | category: ai-checker | [.md](https://openaitools.app/tool/zerogpt.md) | | 4 | [Scite](https://openaitools.app/tool/scite) | 841,974 | +1.1% | Free Trial, Contact for Pricing | AI answers grounded in 300M+ scholarly full texts | category: ai-checker; semantic match | [.md](https://openaitools.app/tool/scite.md) | | 5 | [Detecting-AI.com](https://openaitools.app/tool/detecting-ai-com) | 505,146 | +493% | Freemium, Paid | AI detector that highlights evidence, not just a score | category: ai-checker; semantic match | [.md](https://openaitools.app/tool/detecting-ai-com.md) | | 6 | [AI or Not](https://openaitools.app/tool/ai-or-not) | 375,863 | +12.3% | Freemium, Contact for Pricing | Multi-modal AI detection API that flags synthetic images, text, audio, video and deepfakes | category: ai-checker; semantic match | [.md](https://openaitools.app/tool/ai-or-not.md) | | 7 | [Perplexity](https://openaitools.app/tool/perplexity-ai) | 88,310,223 | -3.7% | Freemium | Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models. | keywords 66% | [.md](https://openaitools.app/tool/perplexity-ai.md) | | 8 | [ZeroGPT Plus](https://openaitools.app/tool/zerogpt-plus) | 134,635 | +21% | Freemium | Free AI detector with sentence-level reports for ChatGPT, Gemini & Claude text | category: ai-checker; semantic match | [.md](https://openaitools.app/tool/zerogpt-plus.md) | | 9 | [MyDetector](https://openaitools.app/tool/mydetector) | 534,478 | +1.1% | Free | Free AI detector with sentence-level insight and a humanizer | category: ai-checker | [.md](https://openaitools.app/tool/mydetector.md) | | 10 | [Dechecker](https://openaitools.app/tool/dechecker) | 111,347 | +4.2% | Freemium | Free AI content detector that flags machine-written text and helps you rewrite it | category: ai-checker; semantic match | [.md](https://openaitools.app/tool/dechecker.md) | | 11 | [Clever AI Detector](https://openaitools.app/tool/clever-ai-detector) | 8,562,719 | +44.5% | Free | Free AI checker with probability scores and sentence-level signals | category: ai-checker; semantic match | [.md](https://openaitools.app/tool/clever-ai-detector.md) | | 12 | [Undetectable AI](https://openaitools.app/tool/undetectable-ai) | 3,113,403 | +17.5% | Freemium | Detect, humanize and verify AI content in one place | category: ai-checker | [.md](https://openaitools.app/tool/undetectable-ai.md) | | 13 | [Ubie](https://openaitools.app/tool/ubie) | 2,941,054 | -23.2% | Free | Free AI symptom checker developed by doctors | semantic match | [.md](https://openaitools.app/tool/ubie.md) | | 14 | [LitSource](https://openaitools.app/tool/litsource-pubmed-evidence-finder-for-biomedical-writing) | 3,665 | -4% | Freemium | Find candidate biomedical papers and check citations against scholarly records | category: ai-checker; keywords 100%; semantic match | [.md](https://openaitools.app/tool/litsource-pubmed-evidence-finder-for-biomedical-writing.md) | | 15 | [Originality.ai](https://openaitools.app/tool/originality) | 2,049,639 | +2.8% | Paid | AI detector, plagiarism and content-quality checks in one scan | semantic match | [.md](https://openaitools.app/tool/originality.md) | | 16 | [AI Detector Writer](https://openaitools.app/tool/ai-detector-writer) | 111,129 | +41.6% | Free | Free, unlimited AI content detection with sentence-level scoring | category: ai-checker; semantic match | [.md](https://openaitools.app/tool/ai-detector-writer.md) | | 17 | [ZeroGPT.CC](https://openaitools.app/tool/zerogpt-cc) | 78,737 | -8.2% | Freemium | Free AI content detector with sentence-level analysis | category: ai-checker; semantic match | [.md](https://openaitools.app/tool/zerogpt-cc.md) | | 18 | [Grokipedia](https://openaitools.app/tool/grokipedia) | 1,728,388 | +6.9% | Free | An open, AI-written encyclopedia built and fact-checked by Grok | semantic match | [.md](https://openaitools.app/tool/grokipedia.md) | | 19 | [Overjet](https://openaitools.app/tool/overjet-ai) | 256,150 | +12.6% | Contact for Pricing | FDA-cleared dental AI for diagnostics, imaging, and insurance workflow | keywords 66%; semantic match | [.md](https://openaitools.app/tool/overjet-ai.md) | | 20 | [Streamline Verify](https://openaitools.app/tool/streamline-verify) | 11,105 | +13% | Contact for Pricing | Real-time OIG exclusion screening and compliance monitoring for healthcare | category: ai-checker; semantic match | [.md](https://openaitools.app/tool/streamline-verify.md) | | 21 | [Branded](https://openaitools.app/tool/gobranded-com) | 3,704,728 | +6.6% | Contact for Pricing | Targeted research audiences with AI-verified data quality | semantic match | [.md](https://openaitools.app/tool/gobranded-com.md) | | 22 | [Leap](https://openaitools.app/tool/free-ai-content-detector) | 78,761 | -23.7% | Pay-as-you-go (no subscription) | One creative studio for AI images, video, and sound | category: ai-checker; semantic match | [.md](https://openaitools.app/tool/free-ai-content-detector.md) | | 23 | [Pearl](https://openaitools.app/tool/hellopearl-com) | 221,155 | -7.6% | Contact for Pricing | FDA-cleared dental AI for sharper diagnosis and a smoother front office | keywords 66%; semantic match | [.md](https://openaitools.app/tool/hellopearl-com.md) | | 24 | [HighlightFactCheck](https://openaitools.app/tool/highlightfactcheck) | 0 | 0% | Freemium | Highlight a claim, get an evidence-backed verdict before you share it | category: ai-checker; keywords 100%; semantic match | [.md](https://openaitools.app/tool/highlightfactcheck.md) | Page 1 of 17 · [Next page →](https://openaitools.app/index.md?q=Claim+checking&page=2) For programmatic access use `https://openaitools.app/api/tools?q=…` or MCP `https://openaitools.app/api/mcp`. --- Source: https://openaitools.app/?q=Claim%20checking More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)