CoCounsel
AI legal research by Thomson Reuters
About CoCounsel
Thomson Reuters' AI legal assistant with case law research, document review, and guided workflows backed by the full Westlaw Precision database. Reached one million users in February 2026 — the clearest validation that AI legal research tools have moved from interesting to essential for serious legal work.
Pricing plans
- Case law research
- Document review
- Westlaw integration
- Firm-wide deployment
- Custom workflows
- SSO + compliance
How CoCounsel compares
| Rating | 4.5 | 4.5 | 4.5 | 4.5 |
| Reviews | — | — | — | — |
| Price | From $225/user/mo | From ~$15K/yr | From $39/user/mo | From ~$1,200/user/mo |
| Free tier | None | None | Free trial | None |
| API access | ✗ | ✓ | ✓ | ✗ |
| Watermark | No | No | No | No |
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