AI Compare · Research & Search
Check claims against reliable sources: which AI plans document it
Paste claims and get each one marked supported, contradicted or unclear, with the source.
Prices for United States, before sales tax Data release 2026.10.16-3, Oct 16, 2026 Rules 2.1.0
- Products that document it
- 6 of 26
- Lowest price
- Free
- Use
- Research & Search
- Quality
- Not tested
What it needs
- Web search with sources Answers grounded in a live web search, with links to the sources.
What you get: Each claim checked, with its source.
Plans that document it
For each product, the lowest-priced plan that documents every required feature, cheapest first. Documented means offered on the vendor's own pages, not tested.
| Product | Lowest-priced plan |
|---|---|
| ChatGPT | ChatGPT FreeFree |
| Claude | Claude FreeFree |
| GitHub Copilot | Copilot FreeFree |
| Microsoft Copilot | Microsoft Copilot (free)Free |
| Perplexity | Perplexity FreeFree |
| X Subscription (Cursor, Grok, X) | X Subscription FreeFree |
Not verified for this task (a required feature is unclear, conflicting or due for a check): Gemini.
19 other products do not offer it, or it is not what they are for.
What we have not tested
A citation can exist and still not support the claim: run the source kit.
Run the Research a question with sources that support the answer test kit in each AI you are considering, on your own work.
From the facts in our data release 2026.10.16-3. Read how AI Compare works.