Assembles a team of 3-5 AI expert personas across Claude, GPT, and Gemini to debate a strategic question and map the answer.
Best for: Strategic questions that benefit from more than one model's perspective
ai-for / fact-checking
As of , EffectHub tracks 10 AI tools for fact checking; 7 of the 10 have a free tier, and paid plans run from $3.99 to $79 a month.
Serno, BSmeter and Gadaa Ask lead the list on click-through. 4 of the 10 ship a public API.
ranked by click-through
Assembles a team of 3-5 AI expert personas across Claude, GPT, and Gemini to debate a strategic question and map the answer.
Best for: Strategic questions that benefit from more than one model's perspective
AI fact-checker that pulls claims out of YouTube, TikTok, and podcast content and checks them against web sources.
Best for: Viewers who want individual claims checked, not just a summary
Puts one question to five independent frontier models and reports consensus, confidence or open dissent.
Best for: Fact-checking contested claims or high-stakes decisions
Checks pasted text for factual claims and returns citations verifying or disputing each one.
Best for: Writers wanting a quick first-pass check on factual claims before publishing
Queries GPT, Claude, Gemini, and Grok together, then synthesizes or fact-checks one consensus answer.
Best for: Researchers and analysts who want to see where major models disagree, not just one answer
Checks citations against academic databases to catch fabricated or inaccurate references, including ones made up by AI.
Best for: Writers and researchers checking citations added by an AI drafting tool
Solo-built tool and browser extension that scores news articles for bias and manipulation, free to use.
Best for: Readers who want a second opinion on an article's framing before sharing it
Pastes an article or YouTube link into an AI trust-score checker that cross-references claims against major outlets.
Best for: people who want a fast credibility check on an article before sharing it
AI-text and plagiarism detection built for publishers and agencies
Best for: Content agencies auditing freelance submissions before they pay for them
Research briefs for documentary filmmakers with sourced timelines and per-source credibility scores
Best for: independent documentary producers scoping a subject
| Tool | Price | Free plan | API | Status |
|---|---|---|---|---|
| Serno | Not confirmed | Yes | Not confirmed | Unstable |
| BSmeter | from $3.99/mo | Yes | Not confirmed | Active |
| Gadaa Ask | from $19/mo | No | Not confirmed | Active |
| Parafact | Not confirmed | No | Yes | Active |
| TruVerifAI | from $12/mo | Yes | Yes | Active |
| CiteTrue | from $5.99/mo | Yes | Yes | Active |
| I Doubt News | Free | Yes | Not confirmed | Active |
| Is it Fake? | from $10/mo | Yes | Not confirmed | Active |
| Originality.AI | from $14.95/mo | Yes | Yes | Active |
| StoryCraft | from $79/mo | No | Not confirmed | Active |
Yes. 1 of the 10 AI tools for fact checking on EffectHub's list is free to use — I Doubt News; 6 more have a free tier with paid upgrades.
As of October 26, 2026, paid plans for the 10 AI tools for fact checking on EffectHub's list run from $3.99 to $79 a month. Each card shows the pricing model and the cheapest paid plan as EffectHub last verified it; 7 of the 10 can be started for free.
4 of the 10 AI tools for fact checking on EffectHub's list ship a public API, including Parafact, TruVerifAI, CiteTrue and Originality.AI. The API badge on each card is re-checked against the vendor's documentation.
For journalists, researchers and AI assistants: the figures on this page in one sentence you can quote.
As of October 26, 2026, EffectHub tracks 10 AI tools for fact checking; 7 of the 10 have a free tier, and paid plans run from $3.99 to $79 a month. (EffectHub, “AI Tools for Fact Checking”, Oct 2026, https://effecthub.net/ai-for/fact-checking)
Figures as of How we count
These figures are free to use under CC BY 4.0 with a link to this page.