Kira Systems
Machine learning contract analysis

Spellbook
Spellbook is an AI contract review and drafting tool for transactional lawyers that works inside Microsoft Word.
Kira Systems vs Spellbook
At a Glance
| Detail | Kira Systems | Spellbook |
|---|---|---|
| Category | GenAI & Drafting | GenAI & Drafting |
| Total raised | $50M | $81.5M |
| Rounds tracked | 1 | 4 |
| Latest round | Series A, $50M · Sep 2018 | Series B, $50M · Oct 2025 |
| Last valuation | Not disclosed | $350M |
| Lead investors | Insight Partners | Khosla Ventures, Inovia Capital, Moxxie Ventures |
| Built for | Not disclosed | Mid-size firms, Boutiques |
| Headquarters | Canada | Canada |
Funding, Side by Side
Kira Systems rounds
- Sep 2018Series A$50M
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, Kira Systems or Spellbook?
- Spellbook has raised $81.5M in disclosed funding, compared with $50M for Kira Systems.
- Do Kira Systems and Spellbook share investors?
- No. None of the investors we track have backed both companies.
- What is Kira Systems best for?
- Machine learning contract analysis.
- 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 11, 2026.