Harvey AI
Harvey / harvey.ai
AI legal assistant for law firms and legal teams using Claude and GPT-4 for legal research, drafting, and analysis.
Pricing
Free
Free plan
No
Category
Legal AI
Platforms
1
Rating
4.7 (480)
Free plan
No
API access
Yes
Open source
No
Platforms
1
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What is Harvey AI?
Harvey is an AI legal assistant used by 100+ leading law firms including A&O Shearman, PwC Legal, and Deloitte Legal for legal research, document drafting, due diligence, and contract analysis. Built on Claude (Anthropic) and GPT-4 (OpenAI), Harvey understands legal context, jurisdictions, and conventions better than general LLMs. Raised $100M+ from OpenAI and a16z.
How Harvey AI works
Harvey AI runs as generative ai and rag software built around text and data workflows. Users typically start with a prompt, upload, or connected data source, and the underlying model handles the heavy lifting before returning a result you can refine or export. It's available on web, with API access for teams that want to embed it into their own products.
What makes it worth shortlisting
The capabilities that matter most for teams evaluating Harvey AI.
AI legal research across case law and statutes
Practical for top-tier law firms and big four legal teams wanting ai-powered legal research, drafting, and due diligence that understands legal context. without extra setup.
Contract drafting and redlining AI
Practical for top-tier law firms and big four legal teams wanting ai-powered legal research, drafting, and due diligence that understands legal context. without extra setup.
Due diligence automation
Practical for top-tier law firms and big four legal teams wanting ai-powered legal research, drafting, and due diligence that understands legal context. without extra setup.
Regulatory compliance analysis
Practical for top-tier law firms and big four legal teams wanting ai-powered legal research, drafting, and due diligence that understands legal context. without extra setup.
100+ law firm and legal team customers
Practical for top-tier law firms and big four legal teams wanting ai-powered legal research, drafting, and due diligence that understands legal context. without extra setup.
A&O Shearman, PwC Legal, Deloitte validation
Practical for top-tier law firms and big four legal teams wanting ai-powered legal research, drafting, and due diligence that understands legal context. without extra setup.
Best use cases
Who should use it
Pros
- Most sophisticated AI for legal professionals
- A&O Shearman, PwC, Deloitte validation
- Claude + GPT-4 best legal reasoning
- Jurisdictional awareness unique
- $100M+ funding from OpenAI and a16z
Cons
- Enterprise-only (no SMB)
- Very expensive
- Still requires senior attorney review
- Hallucination risk with specific citations
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Is it worth the price?
Custom enterprise and law firm pricing; enterprise-only; demo required
Model
Subscription
Starting price
Free
Free trial
No
Tools like Harvey AI
Lexis+ AI (Westlaw-connected legal research)|Thomson Reuters CoCounsel (similar tier)|Spellbook (contract review, SMB)|Clio (practice management, SMB)|Ironclad (CLM focus)
Harvey AI vs Clio AI
A side-by-side look at the closest alternative in this category.
Harvey AI
Harvey
Clio AI
Clio
Custom enterprise and law firm pricing; enterprise-only; demo required
Starter from $49/user/month; Boutique from $69; Elite from $109; Enterprise custom; 7-day trial
Top-tier law firms and Big Four legal teams wanting AI-powered legal research, drafting, and due diligence that understands legal context.
Solo practitioners and law firms wanting AI-powered practice management to reduce administrative burden and improve billing accuracy.
SOC 2 Type II; GDPR standard contractual clauses; client data isolated per firm; attorney-client privilege protections
SOC 2 Type II; GDPR DPA; HIPAA BAA; attorney-client privilege protections; data not sold
- Most sophisticated AI for legal professionals
- A&O Shearman, PwC, Deloitte validation
- Claude + GPT-4 best legal reasoning
- Jurisdictional awareness unique
- $100M+ funding from OpenAI and a16z
- Most widely used law practice management platform
- Clio Duo AI genuinely useful
- 150,000+ legal professional validation
- 250+ integration ecosystem
- Trust accounting built-in
- Enterprise-only (no SMB)
- Very expensive
- Still requires senior attorney review
- Hallucination risk with specific citations
- Expensive at scale
- Clio Duo still maturing
- Less powerful for large law firms
- Document management less strong than iManage
Technical & deployment info
Key facts about model providers, platforms, and team support.
Model Provider
Anthropic + OpenAI
Models
Claude, GPT-4
Platforms
Web
Deployment
Cloud
Integrations
iManage, NetDocuments, Relativity, DMS systems, Law firm IT stacks
Team Collaboration
Yes
Launch Year
2022
Security & privacy
Compliance signals and data-handling notes as reported by the vendor.
SOC 2 Type II; GDPR standard contractual clauses; client data isolated per firm; attorney-client privilege protections
What users are saying
Verified reviews from signed-in users, stored in the backend and averaged into this tool's rating.
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Common questions about Harvey AI
Editorial Verdict
Should you use Harvey AI?
Harvey is the leading AI for BigLaw and Big Four legal teams -- its legal-specific Claude and GPT-4 implementation understands legal conventions and jurisdictions better than any other AI legal tool.
Last verified July 1, 2025.