Harvey AI
Best for comprehensive legal work at Am Law firmsHarvey AI is built specifically for legal professionals using GPT-based models extensively trained on legal documents, case law, statutes, and regulations rather than general internet text, ensuring output meets legal standards. The system handles contract analysis by reviewing agreements for risks, unusual terms, missing provisions, and non-standard language, highlighting issues for attorney review with explanations grounded in legal reasoning. Due diligence capabilities include analyzing hundreds or thousands of documents in M&A transactions, identifying key terms, risks, and inconsistencies across document sets that would take associates weeks to review manually. Legal research functionality finds relevant case law, statutes, and regulations across jurisdictions, understanding legal citation formats and synthesizing authorities to support specific legal arguments or questions. Regulatory compliance features help attorneys navigate complex regulatory frameworks by identifying applicable rules, comparing requirements across jurisdictions, and flagging compliance gaps. Used by 50+ Am Law 200 firms including top-tier practices, Harvey has proven itself in the most demanding legal environments. Enterprise security features including client confidentiality protections, audit logs, and data isolation meet law firm security requirements. The system understands context-specific legal reasoning, not just pattern matching, enabling it to provide analysis rather than mere information retrieval.
AI Models
Key Features
- Built for legal work with extensive legal training data
- Contract analysis for risks, unusual terms, missing provisions
- Due diligence analyzing thousands of documents
- Legal research across case law, statutes, regulations
- Regulatory compliance analysis
- Used by 50+ Am Law 200 firms
- Enterprise security with client confidentiality
- Understands legal reasoning and citation formats
Integrations
Pricing
Custom enterprise pricing, typically annual contracts
Pros & Cons
Pros
- Legal-specific training ensures appropriate output
- Am Law firm adoption validates enterprise readiness
- Handles full range of legal tasks beyond contracts
Cons
- Premium pricing limits accessibility
- Enterprise-only model not suitable for solo practitioners
Who should buy this
Harvey AI
- Am Law 100 / Am Law 200 firm scaling associate-level legal research
- In-house enterprise legal team automating contract review and due diligence
- Big 4 advisory firm with regulated client work needing audit trails
- Solo practitioners or small firms (cost prohibitive — Spellbook better fit)
- Buyers needing on-prem (Harvey is cloud-only)
Custom enterprise contracts only — typically ~$1,000+/user/month, billed annually. Reported to start around $300K/year for mid-size firms.
Verified 2026-05-03
Capabilities at a glance
| Capability | Harvey AI |
|---|---|
| Legal research + drafting | |
| Contract review | |
| Due diligence document analysis | |
| Translation across legal jurisdictions | |
| Trained on legal corpus + firm-specific data | |
| On-prem / self-hosted | |
| Public API | Enterprise |
Security & compliance
| Standard / control | Harvey AI |
|---|---|
| SOC 2 | Type II |
| ISO 27001 | |
| GDPR | |
| SSO / SAML | |
| RBAC | |
| Audit logs | |
| Trains on customer data | No |
What users say
Harvey AI
Allen & Overy, PwC, Macfarlanes, OMERS