S
SHarvey AI vs Lexis+ AI
Pricing, features, platforms and who each one suits — side by side.
H
Choose Harvey AI if…
- you're in its core audience: large law firms, mid-size law firms
L
Choose Lexis+ AI if…
- you're in its core audience: law firm attorneys, in-house counsel
Side by side
Feature Harvey AI Lexis+ AI
Pricing modelContact for pricingContact for pricing
Starting price——
Free plan
Free trial
API
Open source
Trains AI on your contentNo—
Data retentionCustomer sets retention policies; deleted per Customer Agreement—
Security and complianceSOC 2 Type II, CCPA, GDPR, ISO 27001, ISO 27701, ISO 42001—
Case law research—
Regulatory monitoring—
PlatformsWebWeb
CategoryLegalLegal
CompanyHarvey AI CorporationLexisNexis
Based inUnited StatesGermany
Founded—1973
Part of—Reed Elsevier
Key features
H Harvey AI
- Legal agents that run complex tasks end to end
- Vault for secure storage and bulk document analysis
- Legal, regulatory and tax research across domains
- Contract Intelligence for reviews and negotiations
- Shared Spaces with ethical walls for cross-organization work
- Horizon Scanning for tracking regulatory changes
- Connector Library with custom MCP support
- Command Center usage analytics and benchmarking
L Lexis+ AI
- Protégé AI assistant built for legal professionals
- Legal research summaries grounded in LexisNexis content
- Drafts motions, briefs and transactional documents
- Step-by-step refinement of drafted documents
- Summarizes and analyzes large legal documents
- Secure Vault for uploading documents for AI review
- Connects firm knowledge bases, iManage and SharePoint
- General AI mode with leading AI models
Plans and prices
From each vendor's site. Prices change — confirm before buying.
Harvey AI
Contact for pricing. Plan details aren't published.
Lexis+ AI
Contact for pricing. Plan details aren't published.
Strengths and limitations
Harvey AI
- Covers research, documents, contracts and agents on one platform
- Enterprise controls including SAML SSO, audit logs and IP allow-listing
- Lists SOC 2 Type II, ISO 27001, ISO 42001 and GDPR compliance
- Regional options for the US, EU and AU
- No public pricing; access is through a demo request
- No free plan or trial listed
- No mobile apps listed
Lexis+ AI
- Answers grounded in LexisNexis's own legal content
- Vendor states customer data is never used to train AI models
- Integrates with iManage and SharePoint
- No public pricing; sales contact required
- Product has been renamed Lexis+ with Protégé, which may cause confusion
- Features vary by region
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Built from each vendor's public website; we haven't tested them hands-on. Editorial policy