Sonnet 5.5 and Astra take the same transforming sports car prompt

Marcel @marcthecreatorrOriginally posted 2026.09.29

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Sonnet 5.5 vs GPT-6 Astra first test and Sonnet is already looking serious. it’s sitting much closer to Opus 5.5 than i expected on the early benchmarks, so i gave both models the exact same one-shot prompt: “Build a detailed sports car that transforms into a humanoid robot, with an x-ray mode and interactive exploded view” Astra Max ~30 min · $23.19 Sonnet 5.5 very high ~ 15 min · $1.50 based on the output alone, which one are you taking?

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