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Viper

API—OSS—FREE—DOCS3/5
VI5.2#14 of 33
—WeboutWindowsoutMacoutLinux—Android—iOS

Ranked in Formal Verification Tools ·No free plan on record

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About

Viper is ranked #14 of 33 in formal verification tools on Inferse. It runs on Windows, macOS, Linux.

Compared on formal verification tools

Free plan
Yespm.inf.ethz.ch
Verification method
hybridpm.inf.ethz.ch
Supported formalisms
contractspm.inf.ethz.ch
Counterexamples
Yespm.inf.ethz.ch
Input languages
Viper language; Go, Python, and Rust via front-end toolspm.inf.ethz.ch
Deployment
self-hostedpm.inf.ethz.ch

Company

Headquarters
Zürich, Switzerlandpm.inf.ethz.ch · 28 Sept 2026

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Where it ranks on Inferse

Sources