CoCounsel vs Robin AI
A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.
Short answer: choose CoCounsel if you want thomson reuters legal ai assistant for research, drafting, and document review (Supervised agent, enterprise); choose Robin AI if you want enterprise legal contract copilot built on claude (company wound down in 2026) (Copilot, enterprise).
| CoCounsel | Robin AI | |
|---|---|---|
| What it is | Thomson Reuters legal AI assistant for research, drafting, and document review | Enterprise legal contract copilot built on Claude (company wound down in 2026) |
| Type | product-with-agents | product-with-agents |
| Autonomy | Supervised agent | Copilot |
| Pricing | enterprise | enterprise |
| Best for | enterprise, mid-market, smb | enterprise |
| Deployment | saas | saas |
| Modalities | text | text |
| Models | model-agnostic, gpt, claude, gemini, proprietary | claude |
| Protocols | none | none |
| Integrations | Westlaw, Practical Law, Microsoft Word, Microsoft 365, iManage, SharePoint | Microsoft Word, iManage, NetDocuments, Amazon Bedrock |
| Capabilities | 5 documented | 4 documented |
CoCounsel
- +Grounded in authoritative Westlaw and Practical Law content with source-linked, traceable outputs
- +Backed by Thomson Reuters with broad scale (reportedly 1M+ users across 107 countries as of February 2026)
- +Multi-model architecture spanning frontier models (reported: Anthropic, OpenAI, Google) plus proprietary AI for performance control
- -Hallucination and accuracy risk is material in a high-stakes domain; lawyers must validate every output
- -Enterprise, quote-only pricing tied to multi-year terms (no transparent self-serve plan)
Robin AI
- +Deep early Anthropic and Claude integration with a safety-and-reliability emphasis; handled very long contracts
- +Native Microsoft Word add-in plus an enterprise contract workspace with iManage and NetDocuments connectivity
- +Explicit human-in-the-loop copilot design: suggestions editable, attorney retains control
- -The company effectively wound down in late 2025 and early 2026; product continuity and support are uncertain
- -Output required lawyer review; hallucination and wrong-extraction risk is inherent to legal LLMs
Which should you choose?
CoCounsel is thomson reuters legal ai assistant for research, drafting, and document review, best for enterprise, mid-market, smb. Robin AI is enterprise legal contract copilot built on claude (company wound down in 2026), best for enterprise. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.