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AIThe DefiantFiled 29 h ago

Anthropic Says Claude Beat Best Listed Solutions on 72 MIPLIB Problems

Open the sourceReported by The Defiant, thedefiant.io, 9 November 2026, by The Defiant Team

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Anthropic said its Claude model outperformed the best listed solutions on 72 problems from MIPLIB, the standard benchmark library for mixed-integer programming, and reported 45 optimality proofs. The company has submitted its solutions to MIPLIB, but the library's public records have not yet confirmed the tally. The claim matters because MIPLIB results are a widely used yardstick for optimization performance, a core workload in logistics, scheduling and finance. Watch for MIPLIB's independent verification of the submitted solutions and whether the 45 proven-optimal results hold up in public records.

Muhabbit's AI wrote this summary in its own words from The Defiant's report. It can get details wrong, so check the source.

Named in this story

Anthropic, Claude, MIPLIB