Co-Brain Legal Agent (playbook contract review and redlining) vs LeCHECK AI agent (Word add-in that runs the contract-review workflow)
Co-Brain Legal Agent (playbook contract review and redlining) (Co-Brain (Co-Brain GmbH)) and LeCHECK AI agent (Word add-in that runs the contract-review workflow) (Lisse (株式会社リセ)) are both listed in the Business operations category of Agent Index. They share no framework tags in our dataset.
| Field |  Co-Brain Legal Agent (playbook contract review and redlining) |  LeCHECK AI agent (Word add-in that runs the contract-review workflow) |
|---|---|---|
| Vendor | Co-Brain (Co-Brain GmbH) | Lisse (株式会社リセ) |
| HQ | Germany · Europe | Japan · Asia Pacific |
| Primary category | Business operations | Business operations |
| Also listed in | Business operations, Risk | Business operations, Risk |
| Summary | German legal agent that detects contract type, jurisdiction and parties, applies the company's playbook to every clause, flags deviations with page-cited reasoning and produces playbook-compliant redlines in Word, Outlook and Teams. | AI agent in Lisse's LeCHECK contract-review service (Microsoft Word add-in, from Aug 21, 2026). It runs the steps of a legal professional's contract review in order (risk check, proposed clause edits, comments, format check), and the reviewer applies its suggestions with a click. |
| Framework tags (Agent Index) | — | — |
| Frameworks (vendor-claimed) | — | — |
| Capabilities / tasks | contract review, workflow automation | contract review, workflow automation |
| Pricing (as published) | Not published | Not published |
| Pricing model | quote | quote |
| Primary source | https://co-brain.ai/en/legal-agent | https://corp.lisse-law.com/release/notice/20260821/ |
| Last checked | 2026-10-18 | 2026-10-18 |
| Official site | https://co-brain.ai/en/legal-agent | https://corp.lisse-law.com/release/notice/20260821/ |
Side-by-side data is generated from the open dataset. “Vendor-claimed” frameworks are as marketed by each vendor and not verified by Agent Index; framework tags indicate relevance, not certification. Request current quotes from each vendor before buying. This page does not rank or score vendors. Sponsored comparisons, if any, will be labelled.
Also in this use case
Other verified listings that share a task tag or use-case group with Co-Brain Legal Agent (playbook contract review and redlining) or LeCHECK AI agent (Word add-in that runs the contract-review workflow). Open a pair page or the use-case table — this is not a ranking.
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Use-case comparisons
- Contract and legal-review AI agents — 25 listings (Contract review, drafting assistance and legal workflow automation)
Related
- Co-Brain Legal Agent (playbook contract review and redlining) alternatives
- LeCHECK AI agent (Word add-in that runs the contract-review workflow) alternatives
- Best business operations AI agents
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