AFL++ vs cargo-fuzz

AFL++

9.4 #1 in Fuzz Testing Software

About AFL++

cargo-fuzz

6.5 #11 in Fuzz Testing Software

About cargo-fuzz
AFL++cargo-fuzz
Free planYesYes
Free trialNoNo
Paid from€1666.67/moFree
Open sourceNoNo
PlatformsAndroid, Linux, macOS, self-hosted, WindowsLinux, macOS, Windows
Free planYes—
Input generation methodsmutationmutation, generation, hybrid
Target typessource-code targets, binary-only targets, file inputs, stdin inputs, Android native libraries, Win32 PE binariesraw byte buffers, structured Rust data, libraries, APIs, compiler code, allocator operations
Coverage guidanceYesYes
Crash triageYesYes
Execution modelocallocal
Supported languagesC, C++, Python, RustRust
CI/CD supportYesYes

Both are listed in Best Fuzz Testing Software. On Samsung Mobile US Press, AFL++ scores higher on our published basis.