IUSTIN
IUSTIN is an AI legal assistant for lawyers and other professionals that supports document interaction, case creation, legal libraries, jurisprudence research, and judicial-process linking for Colombia.
Spellbook
Spellbook is an AI contract review and drafting tool for transactional lawyers that works inside Microsoft Word.
IUSTIN vs Spellbook
At a Glance
| Detail | IUSTIN | 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
IUSTIN 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, IUSTIN or Spellbook?
- Spellbook has raised $81.5M in disclosed funding, compared with no disclosed amount for IUSTIN.
- What is IUSTIN best for?
- IUSTIN is an AI legal assistant for lawyers and other professionals that supports document interaction, case creation, legal libraries, jurisprudence research, and judicial-process linking for Colombia.
- 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 13, 2026.