Coq vs Lean 4 (2026): Which is Better for Proof Assistant?
Coq vs Lean 4: Which is Better for Proof Assistant? Quick Verdict For teams of 10-50 researchers and developers working on complex proof assistant projects, Coq is the better choice due to its extensive math library and established community. However, for smaller teams or those with limited budgets, Lean 4’s more affordable pricing model and gentler learning curve make it a viable alternative. Ultimately, the decision depends on the specific needs and constraints of your project. ...