Cobrief
Cobrief develops an AI-based document platform for drafting proposals, reviewing contracts, tracking revisions, and coordinating agreement-related communications for small and medium-sized businesses.
Spellbook
Spellbook is an AI contract review and drafting tool for transactional lawyers that works inside Microsoft Word.
Cobrief vs Spellbook
At a Glance
| Detail | Cobrief | Spellbook |
|---|---|---|
| Category | GenAI & Drafting | GenAI & Drafting |
| Total raised | Not disclosed | $81.5M |
| Rounds tracked | Not disclosed | 4 |
| Latest round | Not disclosed | Series B, $50M · Oct 2025 |
| Last valuation | Not disclosed | $350M |
| Lead investors | Not disclosed | Khosla Ventures, Inovia Capital, Moxxie Ventures |
| Built for | Not disclosed | Mid-size firms, Boutiques |
| Headquarters | Not disclosed | Canada |
Funding, Side by Side
Cobrief rounds
No public rounds tracked yet.
Spellbook rounds
- Oct 2025Series B$50M
- Jan 2024Series A$20M
- May 2023Undisclosed$10.9M
- Dec 2019Pre-Seed$567K
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, Cobrief or Spellbook?
- Spellbook has raised $81.5M in disclosed funding, compared with no disclosed amount for Cobrief.
- What is Cobrief best for?
- Cobrief develops an AI-based document platform for drafting proposals, reviewing contracts, tracking revisions, and coordinating agreement-related communications for small and medium-sized businesses.
- What is Spellbook best for?
- Spellbook is an AI contract review and drafting tool for transactional lawyers that works inside Microsoft Word.
Source: Legal Tech Circle funding data, from public announcements. Updated November 10, 2026.