Sonnet 5.5 vs GPT-6 Astra: a real competition

Salio @Mr_SalioOriginally posted 2026.09.28

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🚨 Sonnet 5.5 vs GPT-6 Astra Sonnet 5.5 is absolutely cooking way better than I expected Astra still has the edge in polish, but Sonnet 5.5 is making this a real competition This Sonnet release could be a BIG one Feel bad for openAI They should respond on Devday or They're cooked

This post quotes another post: “Sonnet 5.5's first output said to beat Opus 5.5 and Astra”