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Arena chess test: Astra wins all but one game against Opus 5.5

The author says Arena ran a chess test between Astra and Opus 5.5 in which Astra lost only one game, and also notes that 6.1 Sol topped a new Arena alignment index.

J A Z I I
@notjaziiArchived 20 days agoOriginally posted 2026.10.10
Arena chess test: Astra wins all but one game against Opus 5.5
J A Z I I @notjaziiOriginally posted 2026.10.10
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openai models are genius arena team ran a chess test between astra and opus 5.5, and astra won all games except one and 6.1 sol topped new alignment index from arena too been using astra and 6.1 sol together via devin fusion and it's the best combo ever made can't wait to see what team cooks next

x.com/notjazii/status/2108906762225209411Archived 2026.10.13 10:10