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Harvey vs LegalOn

A side-by-side comparison of Harvey and LegalOn, two Legal tools, drawn from Ignaite's continuously-verified listings.

Compared from listings verified as of

Harvey

Legal

Domain-specific AI for legal and professional services.

View Harvey

LegalOn

Legal

Attorney-built AI for contract review and redlining in Word.

View LegalOn

At a glance

Feature comparison of Harvey and LegalOn
AttributeHarveyLegalOn
CategoryLegalLegal
PricingPAIDPAID
LicenseProprietaryProprietary
DeploymentCloudCloud
PlatformsWebWeb
Model supportMulti-modelMulti-model
Vendor (differs)Harvey AILegalOn Technologies
Capabilities (differs)
  • Chat with documents
  • Legal research
  • Contract review
  • Contract drafting
  • Translation
  • Contract review
  • Contract drafting
  • Case management

The honest brief

Harvey

The default general-purpose legal AI at scale: Vault analyzes up to ~100K-doc collections, used across AmLaw 100 firms.

  • Adopted by most AmLaw 100 firms
  • Bulk doc analysis via Vault
  • Grounds answers in firm's own materials
  • Operates across 60 countries
  • No public pricing, sales-only
  • ~$1,000+/lawyer/mo, 20-seat minimum
  • Tuned to big-firm billable workflows
  • Heavy enterprise onboarding

LegalOn

Redlines inside Microsoft Word against 50+ attorney-built playbooks — grounded in legal expertise, not a raw model.

  • Redlines directly in Word
  • Risk detection grounded in legal expertise
  • Used by thousands of legal teams
  • Contract review focus only
  • Paid, no free tier
  • Web/Word-bound workflow

When to pick which

Both cover Contract review and Contract drafting.

Pick Harvey if you need Chat with documents and Legal research.

  • Chat with documents (secondary capability)
  • Legal research (primary capability)

Pick LegalOn if you need Translation and Case management.

  • Translation (secondary capability)
  • Case management (secondary capability)

LegalOn leans on Contract review and Contract drafting as a headline capability; Harvey treats them as secondary.

  • Contract review (primary capability)
  • Contract drafting (primary capability)