Best LEO Alternatives in 2026
Updated
20 platforms from legal AI software ranked against LEO on the same published basis.
- 1LEO vs Zuva
- 2LEO vs LegitQuest
- 3LEO vs Supio
- 4LEO vs CaseMine
- 5LEO vs Harvey
- 6LEO vs Angus Intelligence
- 7LEO vs BlackBoiler
- 8LEO vs DocJuris
- 9LEO vs Spellbook
- 10LEO vs Clearbrief
- 11LEO vs Kira
- 12LEO vs LegalMation
- 13LEO vs Robin AI
- 14LEO vs LawGeex
- 15LEO vs LegalFly
- 16LEO vs OpusLaw
- 17LEO vs Trellis AI
- 18LEO vs AIO Lex
- 19LEO vs Alice
- 20LEO vs BriefCatch
LEO alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Zuva | 7.4 | Free plan | Free | API, self-hosted, Web |
| 2 | LegitQuest | 7.0 | ₹3333.33/mo | API, Web | |
| 3 | Supio | 7.0 | API, Web | ||
| 4 | CaseMine | 6.9 | £41.58/mo | API, Web | |
| 5 | Harvey | 6.9 | Android, API, Browser, iOS, Web | ||
| 6 | Angus Intelligence | 6.8 | No | $250/mo | API, self-hosted, Web |
| 7 | BlackBoiler | 6.8 | No | $104.17/mo | API, Web |
| 8 | DocJuris | 6.8 | API, Web | ||
| 9 | Spellbook | 6.7 | API, Browser, Mac, Web, Windows | ||
| 10 | Clearbrief | 6.0 | Free plan | $300/mo | Web, Windows |
| 11 | Kira | 5.6 | self-hosted, Web | ||
| 12 | LegalMation | 5.6 | Web | ||
| 13 | Robin AI | 5.6 | Browser, Web | ||
| 14 | LawGeex | 5.5 | Web | ||
| 15 | LegalFly | 5.5 | Android, Browser, iOS, Mac, self-hosted, Web, Windows | ||
| 16 | OpusLaw | 5.5 | $9.99/mo | Web | |
| 17 | Trellis AI | 5.5 | Web | ||
| 18 | AIO Lex | 5.4 | Web | ||
| 19 | Alice | 5.4 | No | €85/mo | Linux, Mac, Web, Windows |
| 20 | BriefCatch | 5.4 | No | $5/mo | Mac, Web, Windows |
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Questions about LEO alternatives
What is the best alternative to LEO?
Zuva, number 1 in legal AI software with a score of 7.4 out of 10. The others here: LegitQuest, Supio, CaseMine and 16 more.
What is the best free alternative to LEO?
Zuva is the best-ranked alternative with a free plan. 2 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.