GPT-6.1 Terra beats Opus 5.5 on same prompt at $4.15 vs $13.16 and 25 vs 40 minutes
dkundel · x · 2026-10-28
Using the same prompt to build a rainbow jelly bear, GPT-6.1 Terra cost $4.15 and finished in 25 minutes, while Opus 5.5 cost $13.16 and took 40 minutes — and Terra won, even adding a rainbow shadow across the table. The author pushes back on the consensus that Terra is "awful," suggesting it may be underrated.
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