CoCounsel vs Undermind
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 Undermind if you want agentic deep-search engine that finds every relevant paper on a scientific question (Assistant, freemium).
| CoCounsel | Undermind | |
|---|---|---|
| What it is | Thomson Reuters legal AI assistant for research, drafting, and document review | Agentic deep-search engine that finds every relevant paper on a scientific question |
| Type | product-with-agents | agent |
| Autonomy | Supervised agent | Assistant |
| Pricing | enterprise | freemium · $16/mo |
| Best for | enterprise, mid-market, smb | consumers, smb, enterprise |
| Deployment | saas | saas |
| Modalities | text | text |
| Models | model-agnostic, gpt, claude, gemini, proprietary | model-agnostic |
| Protocols | none | none |
| Integrations | Westlaw, Practical Law, Microsoft Word, Microsoft 365, iManage, SharePoint | Semantic Scholar, PubMed, arXiv |
| 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)
Undermind
- +Agentic deep search prioritizes recall, surfacing obscure and cross-disciplinary papers
- +Comprehensiveness score and per-paper relevance explanations make coverage auditable
- +Reads full text and follows citation chains rather than ranking by keywords
- -Read-only discovery: it finds and explains but does not write or act
- -Deep searches are rate-limited; heavy use needs a paid tier
Which should you choose?
CoCounsel is thomson reuters legal ai assistant for research, drafting, and document review, best for enterprise, mid-market, smb. Undermind is agentic deep-search engine that finds every relevant paper on a scientific question, best for consumers, smb, enterprise. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.