Tech riderRev. 20 Sept 2026
Stainless
- 1Runs onWindows, Mac, Linux
- 2CostsNot stated by the maker
- 3Verification methoddeductive
- 4Supported formalismscontracts
- 5CounterexamplesYes
- 6Input languagesScala 3
- 7Deploymentself-hosted
6 lines stated Written from the maker's own pages: stainless.epfl.ch
Overview
Stainless is ranked #19 of 33 in formal verification tools on Specifiction. It runs on Windows, macOS, Linux.
Compared on formal verification tools
- Free plan
- Yesstainless.epfl.ch
- Verification method
- deductivestainless.epfl.ch
- Supported formalisms
- contractsstainless.epfl.ch
- Counterexamples
- Yesstainless.epfl.ch
- Input languages
- Scala 3stainless.epfl.ch
- Deployment
- self-hostedstainless.epfl.ch
Best Stainless alternatives
See all 20 All accessCh 01 PVS Free planLinuxMac Free to start7.5 All accessCh 02 Rocq Free planBrowserLinux Free to start7.5 All accessCh 03 Z3 Free planAndroidAPI Free to start7.4 All accessCh 04 Alloy Analyzer Free planAPILinux Free to start7.2 All accessCh 05 UPPAAL Free planLinuxMac Free to start7.2 All accessCh 06 CBMC Free planLinuxMac Free to start7.1
Where it ranks on Specifiction
Is Stainless yours?
Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.