Kira Systems pioneered machine-learning contract review and became the tool major law firms reach for when a data room lands with ten thousand agreements and a two-week deadline. Now part of Litera, it remains a benchmark for AI-powered due diligence.

Kira extracts and analyzes over 1,400 built-in provision types, change of control, assignment, indemnities, termination rights, across huge document sets, surfacing exactly which contracts contain which risks. Its Quick Study feature lets firms teach it new provisions from their own examples without data scientists, which is how practice groups encode their institutional knowledge. Results flow into summary charts and export-ready reports that used to consume weeks of associate time.

Integrated into Litera's legal workflow suite, Kira feeds M&A due diligence, lease abstraction, regulatory reviews, and repapering projects at many of the world's largest firms and audit shops.

Who is it for?

Law firms running M&A and real-estate diligence, in-house teams auditing contract portfolios, and consultancies doing large-scale document review, environments measured in thousands of documents.

How much does Kira Systems cost?

Enterprise licensing through Litera, priced by users and volume via consultation. Budgets sit at professional-legal-software levels, justified against associate review hours.

Our verdict

Newer generative tools draft and chat, but for structured extraction across massive contract sets, Kira's trained-provision approach remains formidably accurate and auditable, still the safe choice for diligence at scale.