Harvey vs OpenEvidence
A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.
Short answer: choose Harvey if you want ai platform for legal and professional services with supervised legal agents (Supervised agent, enterprise); choose OpenEvidence if you want ai clinical decision-support search for verified physicians, grounded in the literature (Assistant, free).
| Harvey | OpenEvidence | |
|---|---|---|
| What it is | AI platform for legal and professional services with supervised legal agents | AI clinical decision-support search for verified physicians, grounded in the literature |
| Type | product-with-agents | agent |
| Autonomy | Supervised agent | Assistant |
| Pricing | enterprise | free |
| Best for | enterprise, mid-market | enterprise, consumers |
| Deployment | saas, api | saas |
| Modalities | text, api | text |
| Models | model-agnostic, gpt, claude, gemini | model-agnostic |
| Protocols | rest-api | none |
| Integrations | iManage, Microsoft Word, Microsoft Outlook, SharePoint, Box, LexisNexis | PubMed, Electronic Health Records |
| Capabilities | 4 documented | 4 documented |
Harvey
- +Deep, verifiable enterprise traction (use across a majority of the Am Law 100 and a PwC alliance)
- +Purpose-built legal workflows with LexisNexis primary law and tight Microsoft and iManage integration
- +Extremely well-capitalized, lowering vendor-survival risk
- -Hallucination risk is material in a high-stakes domain; even with low reported rates, customers stress validating every output
- -Expensive, opaque, quote-only pricing with seat minimums
OpenEvidence
- +Answers are grounded in peer-reviewed literature with traceable citations
- +Access restricted to verified physicians, narrowing misuse
- +Free for clinicians, supported by a publisher/advertising model
- -Decision support only: clinicians must evaluate outputs; not a diagnostic authority
- -Ad-supported model raises questions about influence on surfaced content
Which should you choose?
Harvey is ai platform for legal and professional services with supervised legal agents, best for enterprise, mid-market. OpenEvidence is ai clinical decision-support search for verified physicians, grounded in the literature, best for enterprise, consumers. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.