Hypothesis vs RSpec

Hypothesis

7.0 #9 in Unit Testing Frameworks

About Hypothesis

RSpec

6.7 #14 in Unit Testing Frameworks

About RSpec
HypothesisRSpec
Free planYesYes
Free trialNoNo
Paid fromFreeFree
Open sourceNoNo
Platformsapi, extension, WebLinux
Supported languagesPythonRuby
Parameterized casesYesYes
Property-based checksYes—
Built-in mocks—Yes

Both are listed in Best Unit Testing Frameworks. On Specifiction, Hypothesis scores higher on our published basis.