Kira Systems

✓ Verified

★★★★★

(4.4) Custom Paid

Web API

AI contract analysis software from Litera that extracts clauses and provisions across thousands of documents for due diligence and review.

Best For: Law firms running M&A due diligence and large contract reviews

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The Verdict: Kira Systems

Kira is the diligence specialist to beat. If your work involves reviewing hundreds or thousands of contracts against a deadline, its smart fields, grid review, and source-linked answers will save real hours while keeping findings defensible. The limits are scope and price. It will not draft your documents or answer general research questions, and the custom enterprise quote means small teams should confirm volume justifies it. Litera ownership has broadened the surrounding suite without dulling Kira's core skill. For M&A and large-scale review, it is still the name deal teams ask for first.

What is Kira Systems?

Kira Systems, now part of Litera, is the contract analysis tool that taught the legal industry what machine learning review could do. Its job is narrow and deep. Point it at a data room or a contract portfolio and it reads every document, finds the provisions that matter, and lays them out in a review grid where lawyers can compare change of control clauses, termination rights, assignment terms, and hundreds of other provisions across the entire set at once.

The engine behind that grid is the smart field library. Each smart field is a model trained by lawyers to recognize one type of provision, and Kira ships with more than 1,400 of them covering M&A, real estate, banking, and corporate work. Teams can also train their own fields for unusual clause types without touching code. Newer generative features build on that base. Grid Chat answers plain language questions across all project documents with answers tied to sources, and Lito, included for Kira customers, runs structured diligence workflows and drafts plain language reports from the findings.

Kira is built for high-stakes, high-volume review where a missed provision can move a purchase price. That is why a large share of the top global law firms run it on deals, and why corporate teams use it for lease portfolios and contract intelligence. It is not a general assistant. It is a specialist instrument for extraction and diligence, and within that specialty it remains a benchmark rivals get measured against.

Who is Kira Systems Best For?

Law firms running M&A due diligence and large contract reviews

Kira Systems Key Features

Built-in library of over 1,400 smart fields trained to extract common contract provisions

Custom smart fields you can train on your own clause types without writing code

Grid-based review that compares provisions side by side across an entire document set

Kira Grid Chat that answers plain language questions across all project documents

Lito diligence assistant included, with lawyer-built templates and plain language reports

Clause comparison and risk flagging, with every finding linked back to its source text

Collaboration tools built for multi-team and multi-firm review projects

Integrations with Microsoft 365, HighQ, Intralinks, and Litera Transact

Governance controls over where and how AI is applied to client documents

Export-ready summaries and reports for clients, partners, and deal teams

Kira Systems Review Summary

Performance Score	A
Content Quality	Extraction results arrive in clean grids that partners can check line by line against source text.
Interface	Dense but purpose-built, and the grid layout suits reviewers working through big sets.
AI Technology	Predictive extraction models paired with generative AI for cross-document questions and reporting.
Purpose	To make high-volume contract review and due diligence faster without dropping accuracy.
Compatibility	Web, API
Pricing Summary	Custom pricing quoted by Litera sales based on volume and implementation, with no published figure.

Kira Systems Pros & Cons

✅ Pros

Extraction accuracy on standard provisions is proven over a decade of diligence work
Smart fields work out of the box, so projects start fast without a model training phase
Grid view makes thousands of contracts manageable for a small review team
Every answer traces back to source text, which keeps findings defensible in a live deal
Lito comes included for Kira customers, adding structured diligence reporting on top of extraction

❌ Cons

Custom enterprise pricing with no public figures to budget against
Focused on review and diligence, not drafting or general legal research
Best return needs high document volumes, casual users will never stress it
Now sits inside the wider Litera suite, which can complicate the buying decision

FAQs

What is Kira Systems?

▼

Kira is Litera's contract analysis software. It uses lawyer-trained AI to find and extract provisions across large document sets for due diligence, lease abstraction, and contract intelligence projects.

How much does Kira cost?

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Kira is enterprise priced by custom quote. Cost depends on implementation size, document volume, and searchable contract count, and Litera publishes no list price, so check the pricing summary on this page for the current status.

What are smart fields in Kira?

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Smart fields are trained extraction models for specific provisions, such as change of control, assignment, or termination rights. Kira ships with a large built-in library and lets your team train new ones.

What is Lito?

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Lito is Litera's diligence assistant that works alongside Kira. It runs structured reviews from templates built by Litera's own lawyers and turns Kira findings into plain language diligence reports.

Who uses Kira?

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Large law firms and corporate legal teams use it for M&A due diligence, real estate lease review, and banking and finance work, including a large share of the top global firms.

Does Kira connect with our data room tools?

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Yes. It integrates with platforms such as Intralinks, HighQ, and Microsoft 365, so documents flow from the data room into review grids without manual stitching.