Clearbrief
Clearbrief is an AI writing tool for lawyers that checks and cites the evidence behind legal briefs.
Supio
Supio makes AI software that helps plaintiff law firms organize case records and prepare for trial.
Clearbrief vs Supio
At a Glance
| Detail | Clearbrief | Supio |
|---|---|---|
| Category | GenAI & Drafting | GenAI & Drafting |
| Total raised | $4M | $85M |
| Rounds tracked | 2 | 2 |
| Latest round | Seed, $4M · Jun 2024 | Series B, $60M · Apr 2025 |
| Last valuation | Not disclosed | Not disclosed |
| Lead investors | Authentic Ventures, How Women Invest, Reign Ventures | Sapphire Ventures |
| Built for | Not disclosed | Not disclosed |
| Headquarters | US | US |
Funding, Side by Side
Clearbrief rounds
- Jun 2024Seed$4M
- Aug 2021SeedUndisclosed
Supio rounds
- Apr 2025Series B$60M
- Aug 2024Series A$25M
Our Take
We have not tested these two head to head yet. The numbers above come from public funding announcements. If you use either one, tell us what you found and it may become a Field Note.
Quick Answers
- Which has raised more, Clearbrief or Supio?
- Supio has raised $85M in disclosed funding, compared with $4M for Clearbrief.
- Do Clearbrief and Supio share investors?
- No. None of the investors we track have backed both companies.
- What is Clearbrief best for?
- Clearbrief is an AI writing tool for lawyers that checks and cites the evidence behind legal briefs.
- What is Supio best for?
- Supio makes AI software that helps plaintiff law firms organize case records and prepare for trial.
Source: Legal Tech Circle funding data, from public announcements. Updated November 12, 2026.