Glean vs Harvey
A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.
Short answer: choose Glean if you want enterprise work ai platform: permission-aware search, assistant, and agents (Supervised agent, enterprise); choose Harvey if you want ai platform for legal and professional services with supervised legal agents (Supervised agent, enterprise).
| Glean | Harvey | |
|---|---|---|
| What it is | Enterprise Work AI platform: permission-aware search, assistant, and agents | AI platform for legal and professional services with supervised legal agents |
| Type | platform | product-with-agents |
| Autonomy | Supervised agent | Supervised agent |
| Pricing | enterprise | enterprise |
| Best for | enterprise, mid-market, developers | enterprise, mid-market |
| Deployment | saas, self-hosted | saas, api |
| Modalities | text, api | text, api |
| Models | model-agnostic, gpt, claude, gemini | model-agnostic, gpt, claude, gemini |
| Protocols | mcp, rest-api | rest-api |
| Integrations | Slack, Google Workspace, Jira, Salesforce, Confluence, GitHub | iManage, Microsoft Word, Microsoft Outlook, SharePoint, Box, LexisNexis |
| Capabilities | 5 documented | 4 documented |
Glean
- +Best-in-class unified, permission-enforced index across many apps with citation-grounded answers
- +Genuinely model-agnostic and open: MCP host plus server, bring-your-own model, and on-prem deployment
- +One governed platform spanning search, assistant, and agents with built-in certification and monitoring
- -Opaque, expensive pricing with high seat minimums and add-on fees; reported fully-loaded deployments run into the hundreds of thousands
- -The autonomous-agents marketing outpaces demonstrated autonomy; in practice agents are supervised
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
Which should you choose?
Glean is enterprise work ai platform: permission-aware search, assistant, and agents, best for enterprise, mid-market, developers. Harvey is ai platform for legal and professional services with supervised legal agents, best for enterprise, mid-market. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.