Luminance vs Spellbook
A side-by-side look at pricing, free plans, platforms and features, for tools that both cover legal.
vs
| Feature | ||
|---|---|---|
| Pricing | Contact for pricing | Free |
| Free to start | No | Yes |
| Best for | Legal | Legal, Writing |
| Who uses it | Lawyers, Compliance officers | Lawyers |
| Works on | Web | Web, Slack |
| About | Luminance uses AI trained on legal documents to review, negotiate and manage contracts, flagging unusual terms and risks for legal teams. | Spellbook works inside Word to draft clauses, review contracts against market standards and suggest missing terms, helping transactional lawyers move faster. |
Which one should you pick?
Spellbook lets you start for free, so it is the easier one to try first. Spellbook also runs on Slack. Both are described from their official websites; try each with a real task from your own work before you commit, since quality depends heavily on the job.





