Best PRISM Alternatives in 2026
Updated
20 platforms from formal verification tools ranked against PRISM on the same published basis.
- 1PRISM vs PVS
- 2PRISM vs Rocq
- 3PRISM vs UPPAAL
- 4PRISM vs Alloy Analyzer
- 5PRISM vs HOL4
- 6PRISM vs NuSMV
- 7PRISM vs Z3
- 8PRISM vs CBMC
- 9PRISM vs Isabelle
- 11PRISM vs SPIN
- 12PRISM vs ACL2
- 13PRISM vs HOL Light
- 14PRISM vs Dafny
- 15PRISM vs Frama-C
- 16PRISM vs Stainless
- 17PRISM vs Ultimate Automizer
- 18PRISM vs Boogie
- 19PRISM vs CPAchecker
- 20PRISM vs Lean
- 21PRISM vs Viper
PRISM alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | PVS | 7.4 | Free plan | Free | Linux, Mac, Windows |
| 2 | Rocq | 7.2 | Free plan | Free | Browser, Linux, Mac, Web, Windows |
| 3 | UPPAAL | 7.2 | Free plan | Free | Linux, Mac, Windows |
| 4 | Alloy Analyzer | 7.1 | Free plan | Free | API, Linux, Mac, Windows |
| 5 | HOL4 | 7.1 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 6 | NuSMV | 7.1 | Free plan | Free | Linux, Mac, Windows |
| 7 | Z3 | 7.1 | Free plan | Free | Android, API, Linux, Mac, self-hosted, Web, Windows |
| 8 | CBMC | 6.9 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 9 | Isabelle | 6.9 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 11 | SPIN | 6.9 | Free plan | Free | Linux, Mac, Windows |
| 12 | ACL2 | 6.6 | No | — | Linux, Mac, self-hosted, Windows |
| 13 | HOL Light | 6.5 | No | — | Linux, Mac, self-hosted, Web, Windows |
| 14 | Dafny | 6.4 | No | — | Linux, Mac, self-hosted, Windows |
| 15 | Frama-C | 6.4 | No | — | Linux, Mac, Windows |
| 16 | Stainless | 6.4 | No | — | Linux, Mac, Windows |
| 17 | Ultimate Automizer | 6.3 | No | — | Linux, Web, Windows |
| 18 | Boogie | 6.1 | No | — | — |
| 19 | CPAchecker | 6.1 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 20 | Lean | 6.1 | No | — | Web, Windows, Mac, Linux |
| 21 | Viper | 6.1 | No | — | Browser, Linux, Mac, Web, Windows |
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Questions about PRISM alternatives
What is the best alternative to PRISM?
PVS, number 1 in formal verification tools with a score of 7.4 out of 10. The others here: Rocq, UPPAAL, Alloy Analyzer and 16 more.
What is the best free alternative to PRISM?
PVS is the best-ranked alternative with a free plan. 11 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.