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Theory: Sol is the new Terra and should be compared to Sonnet not Opus

Hear me out: GPT-6 Sol is now half the price of GPT 5.6 Sol, at $2 input/$10 output, which is roughly the same rates as Terra 5.6 and Sonnet 5, and there’s no GPT-6 Terra announced. So GPT 6 Sol performance should therefore be compared to upcoming Sonnet 5.5 and not Opus 5.5. Your problem is either…

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  1. 2026-09-23 02:20 · r/OpenAI
    Theory: Sol is the new Terra and should be compared to Sonnet not Opus

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