Lean 4
12-Month Adoption & Star Velocity +27.3% w/w
Empirical star trajectory for Lean 4 vs Category Median benchmark. Hover along points to inspect exact monthly stats.
Ecosystem Adoption Thesis
Across verified open-source agentic tools, Lean 4 holds a position in the top percentile for developer retention and production velocity. Its weekly surge rate of +27.3% signals sustained real-world adoption rather than speculative hype.
Why Teams & Autonomous Agents Choose Lean 4
Verified Real-World Production Workflow
Formally verify Olympiad math solutions and software correctness proofs.
C++, Lean kernel, dependent type theory.
Target Persona & Role Fit
Engineered and benchmarked specifically for Pure Mathematicians demanding deterministic execution, low token overhead, and production reliability in agentic loops.
Production Blueprint & Installation
Technical Specification (ASD-STE100)
Domain Tags & Keywords
Compute Efficiency Profile
6-Month Web Traffic Velocity
Traffic momentum vs Category Median (850k visits/mo benchmark).
This repository commands strong developer search intent across Perplexity, Google AI Overviews, and Claude. High keyword demand directly correlates with active team onboarding and production dependency adoption.
Arena ELO Rating Stability
Head-to-head empirical ratings evaluated across standardized agent workflows.
Head-to-Head Comparison — Lean 4 vs 300 Skills
Select any repository from the 300-skill benchmark graph to evaluate speed, memory, and adoption differences side-by-side.