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ThoughtRiver

thoughtriver.com

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Spec score 7.8 #9 of 24 in Legal Contract Analytics Software

What it is

ThoughtRiver is an AI contract review tool for agreements reviewed before or after signing. Its Lexible LLM flags issues, obligations, and risks, while Playbooks check contracts against preset criteria and show which provisions are met or unmet. Teams can generate review output or redlines, and generative editing is designed to follow drafting style and negotiation guidelines. Contracts can be submitted by email, drag and drop, or the Word add-in; the platform works inside Outlook, Word, and Teams. Listed integrations include Microsoft 365, Power BI, HighQ, and iManage, and ThoughtRiver provides a public API following the OpenAPI Specification. It focuses on in-house teams and law firms processing over 200 agreements per year, while also supporting non-legal teams. ThoughtRiver lists no free plan and a 28-day trial. Monthly plans are 6.00 USD, 14.00 USD, and $49 a month; Professional starts at £15,000 a year and Enterprise at £30,000 a year.

Spec sheet

API
ThoughtRiver provides a public API-first platform following the OpenAPI Specification.Read 1 Oct 2026 · thoughtriver.com
Integrations
Listed integrations include Microsoft 365, Power BI, HighQ and iManage.Read 1 Oct 2026 · thoughtriver.com
Founded
2016Read 28 Sep 2026 · thoughtriver.com
AI training
Lexible is trained on more than 4,150 lawyer-built concepts.Read 1 Oct 2026 · thoughtriver.com
Authentication
Auth0 provides authentication, single sign-on and multifactor authentication, with only user email addresses passed to Auth0.Read 1 Oct 2026 · thoughtriver.com
Contract analysis
Its Lexible LLM flags key contract issues, obligations and risks within minutes.Read 1 Oct 2026 · thoughtriver.com
Data protection
Contract documents and derived data are encrypted at rest with a unique account-specific key and encrypted in transit using TLS1.2.Read 1 Oct 2026 · thoughtriver.com
Data residency
Customer data resides in ThoughtRiver-managed Azure data centers in a single specified region, with no external processors used for customer data.Read 1 Oct 2026 · thoughtriver.com
Generative editing
Generative AI features make contract editing mimic the user’s drafting style and negotiation guidelines.Read 1 Oct 2026 · thoughtriver.com
Microsoft tools
The platform works inside Outlook, Word and Teams.Read 1 Oct 2026 · thoughtriver.com
Playbooks
Contracts are reviewed against preset criteria called Playbooks, producing met and unmet provisions and allowing output or redlining.Read 1 Oct 2026 · thoughtriver.com
Product purpose
ThoughtRiver is an AI contract review tool for pre-signature or post-signature contract review.Read 1 Oct 2026 · thoughtriver.com
Security certification
ThoughtRiver states that it is ISO27001 certified, certificate number 21188-ISMS-001.Read 1 Oct 2026 · thoughtriver.com
Support browsers
Supported browsers are the latest stable versions of Chrome, Edge, Firefox and Safari on macOS.Read 1 Oct 2026 · support.thoughtriver.com
Target users
ThoughtRiver focuses on in-house teams and law firms processing over 200 agreements per year, and also supports non-legal teams.Read 1 Oct 2026 · thoughtriver.com
Workflow access
Contracts can be uploaded via email, drag and drop, or the Word add-in.Read 1 Oct 2026 · thoughtriver.com

Plans and prices

Starter $6 a month per month For individuals · Task Management · Real-time Collaboration · Customizable Dashboards · Advanced Analytics · Resource Allocation · Mobile Accessibility Read 1 Oct 2026 · thoughtriver.com
Pro $14 a month per month For startups · Task Management · Real-time Collaboration · Customizable Dashboards · Advanced Analytics · Resource Allocation · Mobile Accessibility Read 1 Oct 2026 · thoughtriver.com
Entreprise $49 a month per month For companies · Task Management · Real-time Collaboration · Customizable Dashboards · Advanced Analytics · Resource Allocation · Mobile Accessibility Read 1 Oct 2026 · thoughtriver.com
Professional £15,000 a year From £15,000 per year For SME legal teams · Under 50 contracts a month · Unlimited Users · Private Database Instance · Word Add-in · Lexible Assistant · SSO · Dedicated Customer Success · Dedicated Professional Services Read 1 Oct 2026 · thoughtriver.com
Enterprise £30,000 a year From £30,000 per year For high-volume legal teams · Over 50 contracts a month · Unlimited Users · Private Database Instance · Word Add-in · Lexible Assistant · SSO · Dedicated Customer Success · Dedicated Professional Services Read 1 Oct 2026 · thoughtriver.com

Every ThoughtRiver plan and price →

Strong points and limits

Strong points

  • Reviews agreements before or after signing.
  • Playbooks identify met and unmet provisions.
  • Works inside Outlook, Word, and Teams.
  • Public API follows the OpenAPI Specification.

Limits

  • No free plan is listed.
  • The trial lasts 28 days.
  • Professional starts at £15,000 a year.

Who it suits

It suits in-house legal teams and law firms handling high agreement volumes, as well as non-legal teams that review contracts. The listed legal-team plans distinguish SME teams handling under 50 contracts a month from high-volume teams handling over 50.

Verdict

ThoughtRiver combines contract issue spotting with playbook reviews and redline-oriented editing. Its listed plan options range from monthly subscriptions to annual legal-team plans, so check which scope and price match your workload.

Where Specifiction places it

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