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Back to No.001 GPT-6 Astra in Practice: Tests, Use Cases, and FeedbackUpdated 23 hours ago
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Watermelon vs rubber bands: Opus 5.5 and Astra compared on cost

Given the same physics simulation task, Claude Opus 5.5 and GPT-6 Astra perform about equally, but Astra's estimated API cost is roughly 40% higher ($12.95 vs $7.70).

Vib3Coded
@vib3codedArchived 2026.09.30Originally posted 2026.09.30
Vib3Coded @vib3codedOriginally posted 2026.09.30
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One watermelon, a bunch of rubber bands, and quite a price gap 🍉 Claude Opus 5.5 vs ChatGPT-6 Astra Both did pretty much equally well: add rubber bands, watch the watermelon squeeze, and eventually it bursts into pieces But Opus clearly wins on price. Estimated API cost: Opus - $7.70 Astra - $12.95 Pretty similar results, but Opus costs about 40% less. Easy choice for me this round 👀

This post quotes another post: x.com/vib3coded/status/2104928244382277727

x.com/vib3coded/status/2104994617573970308Archived 2026.09.30 10:16
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