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Diligen vs Definely

DiligenDefinely

Bottom line: Diligen for law firms streamlining review to offer more value to clients; Definely for transactional lawyers.

Diligen is machine learning-powered contract analysis software designed for law firms, legal service providers, and corporate legal departments

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AI legal drafting and review tools built into Microsoft Word

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Votes00
PricingFreemiumContact
CategoryLegalLegal
Tags
analyze-data
legal-aicontract-draftingmicrosoft-wordproofreadinglegal-tech
Best for
  • Law firms streamlining review to offer more value to clients
  • Legal service providers managing document review at scale
  • Corporate legal departments conducting due diligence
  • Transactional lawyers
  • In-house legal teams
  • Law firms
Pros
  • Ships with hundreds of pre-trained clause models, so teams can extract meaningful provisions on their very first upload without lengthy configuration.
  • Custom training lets legal teams teach the system to recognize niche clauses and concepts, extending coverage into specialized practice areas like oil and gas, privacy, or LIBOR transition.
  • Built-in collaboration features — document assignment, progress tracking, and centralized management — make it well suited to team-based review rather than solo work.
  • Exports contract summaries directly to Word and Excel, fitting neatly into the document-centric workflows legal teams already use.
  • Scales from a handful of contracts to hundreds of thousands, making it viable for both one-off matters and large due diligence exercises.
  • Works natively inside Microsoft Word
  • Reduces manual defined-term checking
  • Multiple tools across drafting and review
  • Low workflow disruption and learning curve
  • Suitable for firms of any size
Cons
  • Pricing is opaque and inconsistent across third-party sources, ranging from monthly subscription figures to per-deal engagement fees, so buyers must contact the vendor to understand what they will actually pay.
  • The platform is demo-led rather than self-serve, which slows evaluation for teams that prefer to trial software independently before committing.
  • As a specialized contract analysis tool, it is not a full contract lifecycle management system and won't replace tools for drafting, negotiation, or e-signature workflows.
  • Training the model on new clause types and reaching high accuracy on specialized concepts requires upfront effort and quality example data.
  • Pricing is not public
  • No standalone mobile app
  • Not a full contract lifecycle management system
  • Limited to the Word/Office environment
  • Feature tiers can be unclear without a demo

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