Compare Runtimes

Select runtimes to compare side by side. Click chips below to toggle selection.

MetricWasmergVisorPython (CPython)Open WebUI
ScoreA-83B72B71F41
TypeWebAssemblyMicroVMLanguage
Executionhybridhybridinterpretedhybrid
Interfacecliclicligui
Cold Start2ms50ms50ms3000ms
Memory8MB20MB15MB500MB
Startup1ms30ms10ms1000ms
Isolationprocessmicrovmprocesscontainer
Maturitystablestableproductionstable
LanguagesRust, C, C++, Go, Python, Ruby, PHPAnyPythonPython, TypeScript
LicenseMITApache-2.0OtherMIT
Links