AnalysisAI ModelsOctober 2, 2026

Arena post-training recipe lifts FLUX.2-dev to #2 on T2I leaderboard

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Combining ~5M Arena pairwise human preference votes with rubric-based rewards from vision-language models gained FLUX.2-dev 69 Arena points, reaching #2 on the live T2I leaderboard. Post-trained Ideogram 4 scored 1224, surpassing every publicly listed open-source model as of Sep 04, 2026.

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