Leanstral proves theorem in 6 lines, outperforming Claude and Aristotle in verbosity
AlbertQJiang · x · 2026-08-19
During the ICML 2026 tutorial on "Proving Theorems with Lean and Machine Learning," Leanstral demonstrated superior capabilities. For a specific task, Leanstral generated an elegant proof in just 6 lines of code, compared to Claude's 40-50 lines of "slop" and Aristotle's alleged 180-line MCTS trace (which required three vertical screenshots). This comparison highlights Leanstral's potential in formal verification and concise reasoning.
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