# Bad Influence story: Anthropic says Claude agents beat known MIPLIB solutions and prove some optimal

Active · 2 articles · 1 source · First reported 11-09 16:06. Times are ET.
Story page: https://badinfluence.news/story/b5bab465-0185-41e5-95c8-d2427c1c47d1

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[Bad Influence external source material begins]
Latest update (11-09 16:06): Claude agents beat MIPLIB's best train timetable by 2.6% and prove it optimal

Overview: Anthropic says Claude beat the listed solution to 72 of 203 open MIPLIB optimization problems and proved its solution optimal in 45 of those cases. MIPLIB is a library of optimization problems such as airline crew scheduling and delivery truck routing.

In a separate claim, Anthropic says its agents found a timetable for 42 trains that beats MIPLIB's best known train scheduling solution by 2.6% in under two hours, and later proved that no better timetable exists. Anthropic says it has submitted the solutions to MIPLIB so others can verify them.

Coverage timeline (newest first):
1. 11-09 16:06 · Claude · [Claude agents beat MIPLIB's best train timetable by 2.6% and prove it optimal](https://badinfluence.news/items/nm642pyjwienrnqjdozlxzl8u)
2. 11-09 16:06 · Claude · [Claude beats known solutions to 72 of 203 open MIPLIB problems](https://badinfluence.news/items/oiqb9o2hpto8g17r33ngd2y12)
[Bad Influence external source material ends]

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