Casetext CoCounsel vs Harvey

Both are built for Legal — here's how Casetext CoCounsel and Harvey actually differ on pricing, platform reach and where each one is strongest.

At a glance

Pros

Zero hallucination design backed by comprehensive Thomson Reuters legal databases
Saves litigation attorneys dozens of hours on discovery document review and research
Understands complex multi-jurisdictional legal doctrine and precedent

Cons

Pros

Deep firm-specific customization via Vault, rather than a generic legal chatbot
Backed by heavy investment and adopted by a large share of the largest law firms, which has pushed rapid feature development
Word, Outlook and Copilot integration means lawyers can use it inside tools they already have open

Cons

Priced well beyond what small and mid-size firms can justify, with enterprise contracts running from tens of thousands to well over a hundred thousand dollars a year
Reported annual renewal price increases add real budget uncertainty year over year
Output still requires a qualified lawyer's review — it accelerates drafting and research, it doesn't replace legal judgment

Conducting fast, reliable case law research across state and federal jurisdictions
Reviewing thousands of litigation discovery documents for relevant key facts
Drafting deposition outlines and witness cross-examination question lists
Checking legal briefs for citation accuracy and verifying good law status

Running legal research and first-pass memo drafts for associates
Redlining commercial contracts against a firm's standard playbooks
Giving in-house counsel a searchable assistant over the company's own legal precedent
Running diligence across a data room of thousands of documents
Summarising a filing set for a client update without a junior reading all of it
Finding the firm's own precedent for a clause instead of drafting it again

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