Legartis vs ThoughtRiver
Legartis
legartis.ai
ThoughtRiver
thoughtriver.comSide by side
| Figure | Legartis | ThoughtRiver |
|---|---|---|
| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | — |
| API | Yes | Yes |
| Plans published | 2 | 5 |
| Spec score · AI Contract Review Software | 8.6 (#2) | 7.8 (#8) |
| Spec score · Legal Contract Analytics Software | 8.7 (#3) | 7.8 (#9) |
| API | The public API documentation shows bearer-token document upload through POST /v2/document/document/ and retrieval of extracted data through workflow endpoints. | ThoughtRiver provides a public API-first platform following the OpenAPI Specification. |
| Founded | Legartis says it was founded in Zurich in 2017. | 2016 |
| Integrations | The paid tier lists Microsoft Word, DocuSign e-signature, API and MCP integrations. | Listed integrations include Microsoft 365, Power BI, HighQ and iManage. |
| Playbooks | The Free plan includes an NDA Best Practice Playbook, while Team to Enterprise includes custom playbooks created with the Playbook Agent. | Contracts are reviewed against preset criteria called Playbooks, producing met and unmet provisions and allowing output or redlining. |
Plans
ThoughtRiver
- Starter$6 a month
- Pro$14 a month
- Entreprise$49 a month
- Professional£15,000 a year
- Enterprise£30,000 a year
In their own words
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.