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Legal Paid

Dioptra

AI contract redlining from playbooks, forms, agreements, and prompts in Word

Visit official website
PricingPaid
Starting price$450/mo
Free planNo
Free trialYes
APIYes
Open sourceNo
DeploymentHybrid
Last verifiedJuly 30, 2026
Overview

Tool overview

Dioptra is listed under Legal AI tools.

Summary

What is Dioptra?

Dioptra is an AI contract-review and redlining platform for legal teams. It generates redlines in Microsoft Word from playbooks, standard forms, past agreements, example revisions, or prompts, and also supports playbook distillation, term search, clause libraries, and risk summaries.

Best fit

Best for

Legal teams standardizing high-volume contract redlining in Microsoft Word

Audience

Who is it for?

In-house legal teamsSolo general counselLaw firmsLegal operations teams
Recommendation

Decision note

Best for in-house legal teams and solo counsel with repeatable redlining standards. Confirm contract types, playbook setup, repository import, API and CLM integration, Word support, security, self-hosting, and annual commitments.

Capabilities

Key features

Redlines from playbooks and standard forms

Redlines from executed and past agreements

Microsoft Word add-in workflow

Custom playbook distillation

Term search and clause extraction

Issues lists, risk summaries, and clause library

Workflows

Use cases

Reviewing commercial contracts

Standardizing redlines across legal teams

Extracting terms from agreement repositories

Building contract playbooks and clause libraries

Strengths

Pros

  • Works directly in Microsoft Word
  • Publishes clear self-service starter pricing
  • Offers private-data and self-hosted options
Considerations

Limitations

Dioptra accelerates contract review but does not provide legal advice or guarantee enforceability, completeness, or negotiation outcomes. Lawyers should verify redlines, cross-references, defined terms, jurisdiction, playbook logic, repository access, and data handling before acceptance.

Cost

Pricing details

Pricing modelPaid
Starting price$450/mo
Free planNo
Free trialYes
Pricing context

Billing options

Monthly subscriptionAnnual subscription
Pricing context

Pricing note

Starter costs $450 per month or $4,320 per year and includes unlimited contract reviews plus a seven-day free trial. Teams starts at $4,200 per seat annually, while Enterprise uses custom pricing. No ongoing free plan was confirmed.

View official pricing
Compatibility

Supported languages

  • English
Connectivity

Integrations

Microsoft Word

LawVu

Icertis

CLM systems

Specs

Technical details

PlatformsWeb
Multilingual supportUnknown
Login requiredYes
Open sourceNo
DeploymentHybrid
CompanyDioptra, Inc.
Models / versionsDioptra AI Agent
Editions / plansStarter Teams Enterprise
Data confidenceHigh
Last verifiedJuly 30, 2026
Documentation → Data source →
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Answers

Frequently asked questions

Dioptra is an AI contract-review and redlining platform for legal teams. It generates redlines in Microsoft Word from playbooks, standard forms, past agreements, example revisions, or prompts, and also supports playbook distillation, term search, clause libraries, and risk summaries.
Legal teams standardizing high-volume contract redlining in Microsoft Word
The listed pricing model for Dioptra is paid. Pricing can change, so users should verify the latest plan details on the official website.
Yes. The current profile indicates that a free trial is available.
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