Legal ResearchLegal Research & DraftingEditor's choice
CoCounsel
Thomson Reuters' AI legal assistant, integrated with Westlaw and Practical Law
By the BestAIforLegal Editorial Team · Updated · How we rate
9
Excellent
Explore CoCounsel →From ~$225/user/mo (Core) · Per-seat / mo
Is CoCounsel worth it?
Quick answer
CoCounsel scores 9/10. Westlaw firms that want AI research and review grounded in trusted content. Pricing starts at From ~$225/user/mo (Core) (per-seat / mo). It is sold primarily through enterprise/direct sales.
Tier
AI Legal Research & Assistants
Category
Legal Research & Drafting
Pricing model
Per-seat / mo
Starting price
From ~$225/user/mo (Core)
Deployment
Cloud SaaS
Self-serve signup
No (sales-led)
Target buyer
Firms already invested in Westlaw and Thomson Reuters
CoCounsel pricing
Bundled and priced with Westlaw; full value depends on existing Thomson Reuters subscriptions.
Key capabilities
- ◆Skills for research, review and summaries
- ◆Deep Westlaw and Practical Law integration
- ◆Document Q&A and deposition prep
- ◆Citation-grounded answers
What we like
- +Grounded in authoritative TR content
- +Strong for research-heavy firms
- +Mature, well-supported product
- +Tight Westlaw integration
What to watch
- −Best value requires Westlaw spend
- −Pricing climbs with add-ons
- −Less flexible outside the TR ecosystem
Ready to try CoCounsel?
Westlaw firms that want AI research and review grounded in trusted content.
Explore CoCounsel →