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.
This comparison is generated from the sourced Glean and Harvey profiles. Open either profile to review its evidence and last-reviewed date.