GPT-6 Sol is a smaller model built to ease GPU capacity strain, mark_k says

Mark Kretschmann @mark_kOriginally posted 2026.09.28

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I think GPT-6 Sol was born out of necessity. OpenAI is GPU-poor at the moment, with legit capacity issues for inference. GPT-6 Sol is likely a smaller model, basically what Terra used to be, to alleviate the capacity issues. Hence the lackluster performance.