Claude beats MIPLIB's best solutions on 72 of 203 open optimization problems, proves 45 optimal

claudeai · x · 2026-11-10

Anthropic reports Claude's results on MIPLIB, a library of optimization problems (airline crew scheduling, delivery routing): out of 203 open problems, Claude beat the listed best solution in 72 cases and proved optimality in 45. Example: timing 42 trains to cut peak power use — agents improved MIPLIB's best timetable by 2.6% in under two hours, then proved no better timetable exists. Solutions submitted to MIPLIB for public verification.

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