Opus 5.5 and ChatGPT-6 Astra each render a night train through the mountains

PEP PEPICH @Artless101Originally posted 2026.09.23

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Claude Opus 5.5 vs ChatGPT-6 Astra 🚂🌙 I asked Astra and Opus to create a night train winding through the mountains: a stone viaduct, pine forests, and warm glowing windows I liked both versions. Opus stands out for its locomotive details and camera angles. Astra brings a burgundy express, a huge looping viaduct, and a sweeping mountain landscape One idea, two different moods. I’ll share the prompt below 👇

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