ThoughtRiver

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

ThoughtRiver is ranked #6 of 24 in legal contract analytics software on Inferse. It runs on API, Browser extension, Web, Windows. There is no free plan. A free trial is offered. Paid plans start at $6/mo.

Compared on legal contract analytics software

Free plan: Nothoughtriver.com
Clause comparison: Yesthoughtriver.com
Redline suggestions: Yesthoughtriver.com
Playbook support: Yesthoughtriver.com
API access: Yesthoughtriver.com

Facts

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