CoCounsel vs Consensus
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 Consensus if you want ai search engine that finds and synthesizes scientific evidence (Assistant, freemium).
| CoCounsel | Consensus | |
|---|---|---|
| What it is | Thomson Reuters legal AI assistant for research, drafting, and document review | AI search engine that finds and synthesizes scientific evidence |
| Type | product-with-agents | agent |
| Autonomy | Supervised agent | Assistant |
| Pricing | enterprise | freemium · Free; Premium reported ~$8.99/mo |
| Best for | enterprise, mid-market, smb | consumers, enterprise |
| Deployment | saas | saas |
| Modalities | text | text, api |
| Models | model-agnostic, gpt, claude, gemini, proprietary | gpt |
| Protocols | none | rest-api |
| Integrations | Westlaw, Practical Law, Microsoft Word, Microsoft 365, iManage, SharePoint | Semantic Scholar, OpenAI GPT |
| 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)
Consensus
- +The Consensus Meter is a genuinely useful at-a-glance evidence aggregator
- +Huge corpus (200M+ papers) with credible search infrastructure and OpenAI synthesis
- +Generous free tier plus student and clinician discounts
- -Locked to OpenAI models; less flexible than model-agnostic rivals
- -The Consensus Meter is best for binary questions and weaker on nuanced topics
Which should you choose?
CoCounsel is thomson reuters legal ai assistant for research, drafting, and document review, best for enterprise, mid-market, smb. Consensus is ai search engine that finds and synthesizes scientific evidence, best for consumers, enterprise. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.