At a Glance
| Detail | Arceus | Robin AI |
|---|---|---|
| Category | GenAI & Drafting | GenAI & Drafting |
| Total raised | $17M | $64.8M |
| Rounds tracked | 1 | 4 |
| Latest round | Undisclosed, $17M · Oct 2026 | Series B Plus, $25M · Nov 2024 |
| Last valuation | Not disclosed | Not disclosed |
| Lead investors | Greycroft | Temasek, Plural, SoftBank Emerge |
| Built for | Not disclosed | In-house teams |
| Headquarters | US | United Kingdom |
Funding, Side by Side
Arceus rounds
- Oct 2026Undisclosed$17M
Robin AI rounds
- Nov 2024Series B Plus$25M
- Jan 2024Series B$26M
- Feb 2023Series A$10.5M
- Dec 2021Seed extension$3.3M
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, Arceus or Robin AI?
- Robin AI has raised $64.8M in disclosed funding, compared with $17M for Arceus.
- Do Arceus and Robin AI share investors?
- No. None of the investors we track have backed both companies.
- What is Arceus best for?
- AI-native law firm starting with contract review.
- What is Robin AI best for?
- Robin AI provides AI contract software that helps legal teams review contracts and search clauses across their agreements.
Source: Legal Tech Circle funding data, from public announcements. Updated November 10, 2026.