Apalache vs K Framework

Apalache

5.7 #31 in Formal Verification Tools

About Apalache

K Framework

6.6 #16 in Formal Verification Tools

About K Framework
ApalacheK Framework
Free planNoNo
Free trialNoNo
Paid from——
Open sourceNoNo
Platforms—api, Linux, macOS, self-hosted
Verification methodsymbolichybrid
Supported formalismsinvariantstheorem-proving
CounterexamplesYes—
Input languagesTLA+, QuintK specification language; C; WebAssembly; EVM; Plutus-Core; Michelson; TEAL
Deploymentself-hostedself-hosted
Free plan—Yes

Both are listed in Best Formal Verification Tools. On The Geeks Club, K Framework scores higher on our published basis.