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BlackBoiler vs ThoughtRiver

BlackBoiler

blackboiler.com

ThoughtRiver

thoughtriver.com

Side by side

FigureBlackBoilerThoughtRiver
Price from$104.17/mo—
Free plan——
Free trialYesYes
Open source——
WebYesYes
Windows—Yes
APIYesYes
Plans published35
Spec score · AI Contract Review Software8.4 (#4)7.8 (#8)
Spec score · Legal Contract Analytics Software8.4 (#6)7.8 (#9)
Spec score · Contract Analysis Software8.4 (#6)7.8 (#11)
Data protectionThe security page says customer data is encrypted in transit and at rest, hosted on AWS, and protected with access controls and customer-specific isolation measures.Contract documents and derived data are encrypted at rest with a unique account-specific key and encrypted in transit using TLS1.2.
Security certificationBlackBoiler states that it is SOC 2 Type II certified and that qualified prospects may request its report.ThoughtRiver states that it is ISO27001 certified, certificate number 21188-ISMS-001.

Plans

BlackBoiler

  • Starter$1,250 a year
  • Pro$3,000 a year
  • EnterprisePriced on request

BlackBoiler pricing →

ThoughtRiver

  • Starter$6 a month
  • Pro$14 a month
  • Entreprise$49 a month
  • Professional£15,000 a year
  • Enterprise£30,000 a year

ThoughtRiver pricing →

In their own words

BlackBoiler

BlackBoiler reviews contracts in Microsoft Word by applying an organization’s playbook, previous redlines, approved wording, and examples. It creates first-pass tracked changes and comments; reviewers then accept, modify, reject, escalate, or negotiate each suggestion. Veris provides conversational access to playbooks and contract language within Word. The service covers recurring agreements such as NDAs, service agreements, and subcontracts, plus construction prime contracts, subcontracts, and professional services agreements using AIA, ConsensusDocs, and EJCDC forms. BlackBoiler is aimed at in-house legal teams, law firms, contract managers, and construction legal, commercial, procurement, and project teams. It concentrates on pre-execution review and redlining, while an existing CLM can handle intake, approvals, signatures, and the broader lifecycle. Platforms are web and API. Starter costs $1,250/user/year, Pro costs $3,000/user/year, Enterprise pricing is custom, and a seven-day trial requires a credit card.

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ThoughtRiver

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.

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