Signal vs Stipple
| Signal | Stipple | |
|---|---|---|
| Free plan | Yes | |
| Paid from | Free | |
| Platforms | Web | api, Web |
| Free plan | Yes | Yes |
| Claim detection | Yes | |
| Citation links | Yes | |
| Source types | web | |
| Fact-check mode | automatic | |
| Supported content | claims, headlines, URLs | |
| API access | Yes | |
| Document types | mixed | |
| Document classification | Yes | |
| Data validation | Yes |
Listed together in Best AI Fact-Checking Tools