ModelsOct 30, 20261 min readMistral Large 4 Day-0 RL: AIME 64% to 75% in 75 Steps - OrcaRouter0SaveShareContentsWhy it mattersTopicsBenchmark Metric64%Reported Accuracy / GainCategoryModelsIndustry DomainThe Core DevelopmentMistral Large 4 Day-0 RL: AIME 64% to 75% in 75 Steps OrcaRouterWhy it mattersMistral Large 4 Day-0 RL: AIME 64% to 75% in 75 Steps OrcaRouter Reported by Google News — Mistral on October 30, 2026.Topic dossiers Mistral AI