At a Glance
| Detail | Luminance | Spellbook |
|---|---|---|
| Category | GenAI & Drafting | GenAI & Drafting |
| Total raised | $138M | $81.5M |
| Rounds tracked | 5 | 4 |
| Latest round | Series C, $75M · Feb 2025 | Series B, $50M · Oct 2025 |
| Last valuation | $100M | $350M |
| Lead investors | Point72 Private Investments, March Capital, Invoke Capital, Talis Capital | Khosla Ventures, Inovia Capital, Moxxie Ventures |
| Built for | In-house teams, Large firms | Mid-size firms, Boutiques |
| Headquarters | United Kingdom | Canada |
Funding, Side by Side
Luminance rounds
- Feb 2025Series C$75M
- Apr 2024Series B$40M
- Feb 2019Series B$10M
- Nov 2017Series A$10M
- Sep 2016Seed$3M
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, Luminance or Spellbook?
- Luminance has raised $138M in disclosed funding, compared with $81.5M for Spellbook.
- Do Luminance and Spellbook share investors?
- No. None of the investors we track have backed both companies.
- What is Luminance best for?
- Luminance is an AI contract platform for reviewing, negotiating and analyzing contracts.
- 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.

