Harvey vs Luminance
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 Luminance if you want legal ai for contract drafting, review, and autonomous negotiation (Supervised agent, enterprise).
| Harvey | Luminance | |
|---|---|---|
| What it is | AI platform for legal and professional services with supervised legal agents | Legal AI for contract drafting, review, and autonomous negotiation |
| Type | product-with-agents | platform |
| Autonomy | Supervised agent | Supervised agent |
| Pricing | enterprise | enterprise |
| Best for | enterprise, mid-market | enterprise, mid-market |
| Deployment | saas, api | saas, on-prem |
| Modalities | text, api | text |
| Models | model-agnostic, gpt, claude, gemini | proprietary |
| Protocols | rest-api | rest-api |
| Integrations | iManage, Microsoft Word, Microsoft Outlook, SharePoint, Box, LexisNexis | Microsoft Word, Microsoft 365, iManage, Salesforce |
| 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
Luminance
- +Domain-specific Legal Pre-Trained Transformer aimed at contract understanding
- +Covers the full contract lifecycle from drafting to eDiscovery in one platform
- +Autopilot/Lumi Go push toward autonomous NDA negotiation with guardrails
- -Enterprise-only with no public pricing or self-serve tier
- -Autonomous negotiation still warrants human oversight given legal liability
Which should you choose?
Harvey is ai platform for legal and professional services with supervised legal agents, best for enterprise, mid-market. Luminance is legal ai for contract drafting, review, and autonomous negotiation, 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 Harvey and Luminance profiles. Open either profile to review its evidence and last-reviewed date.