HerculesAI
AI workflow automation for law firms and regulated industries
Spellbook
Spellbook is an AI contract review and drafting tool for transactional lawyers that works inside Microsoft Word.
HerculesAI vs Spellbook
At a Glance
| Detail | HerculesAI | Spellbook |
|---|---|---|
| Category | GenAI & Drafting | GenAI & Drafting |
| Total raised | $26M | $81.5M |
| Rounds tracked | 1 | 4 |
| Latest round | Series B, $26M · Jul 2024 | Series B, $50M · Oct 2025 |
| Last valuation | Not disclosed | $350M |
| Lead investors | Streamlined Ventures | Khosla Ventures, Inovia Capital, Moxxie Ventures |
| Built for | Not disclosed | Mid-size firms, Boutiques |
| Headquarters | United States | Canada |
Funding, Side by Side
HerculesAI rounds
- Jul 2024Series B$26M
Spellbook rounds
- Oct 2025Series B$50M
- Jan 2024Series A$20M
- May 2023Undisclosed$10.9M
- Dec 2019Pre-Seed$567K
Backed by both: Thomson Reuters Ventures.
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, HerculesAI or Spellbook?
- Spellbook has raised $81.5M in disclosed funding, compared with $26M for HerculesAI.
- Do HerculesAI and Spellbook share investors?
- Yes. Thomson Reuters Ventures backed both.
- What is HerculesAI best for?
- AI workflow automation for law firms and regulated industries.
- 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.