At a Glance
| Detail | Casetext | Isaacus |
|---|---|---|
| Category | Research & Analytics | Research & Analytics |
| Total raised | $52.2M | $467K |
| Rounds tracked | 4 | 1 |
| Latest round | Series C, $25M · Jan 2022 | Pre-Seed, $467K · Sep 2025 |
| Last valuation | Not disclosed | Not disclosed |
| Lead investors | BuildGroup, Union Square Ventures, Canvas Ventures | Aura Ventures, Galileo Ventures |
| Built for | Not disclosed | Not disclosed |
| Headquarters | United States | Australia |
Funding, Side by Side
Casetext rounds
- Jan 2022Series C$25M
- Mar 2020Undisclosed$8.2M
- Mar 2017Series B$12M
- Feb 2015Series A$7M
Isaacus rounds
- Sep 2025Pre-Seed$467K
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, Casetext or Isaacus?
- Casetext has raised $52.2M in disclosed funding, compared with $467K for Isaacus.
- Do Casetext and Isaacus share investors?
- No. None of the investors we track have backed both companies.
- What is Casetext best for?
- AI legal research.
- What is Isaacus best for?
- AI research company building legal AI models.
Source: Legal Tech Circle funding data, from public announcements. Updated November 10, 2026.