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.
This comparison is generated from the sourced CoCounsel and Undermind profiles. Open either profile to review its evidence and last-reviewed date.