Freedom report

One barScore 5.4

  • Free tierNo free tier on record
  • Open codeNo open-source code on record
  • Runs widely4 of 6 device platforms
  • DocumentedThinly documented

Lean is ranked #15 of 33 in formal verification tools on Freedom251. It runs on Web, Windows, macOS, Linux.

Compared on formal verification tools

Verification method
deductive
Supported formalisms
theorem-proving
Proof artifacts
Yes
Input languages
Lean 4
Deployment
both

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