CoCounsel
What ChatGPT, Claude, Gemini & Grok actually say · July 2026
The verdict
CoCounsel appears in 1 AI-ranked category — best position #2 for ai legal assistant for law firms.
Best research-grounded assistant — answers cite into Westlaw and Practical Law's authoritative content, sharply reducing hallucinated-citation risk that plagues generic tools; broad skill coverage (deposition prep, doc review, research memos) and Word/Outlook integration; near-tie with Lexis+ AI Protégé, edged ahead on content depth and Casetext-heritage product polish
Where CoCounsel falls short, per the models
- Claude Full value requires stacking Westlaw/Practical Law subscriptions on top, so total cost climbs fast and it's weakest for firms outside the Thomson Reuters ecosystem
Top alternatives per the models: Harvey · Lexis+ AI · Legora · Spellbook
Rankings are computed from what the models answer, re-polled continuously · raw reasoning shown verbatim · methodology