s/chamathMODEL UPDATE•1d
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GPT-6.1 Sol nearly doubled speed after OpenAI added capacity
GPT-6.1 Sol is getting used for routine work because it stays capable at low reasoning effort instead of requiring maximum compute. Users report strong results for scheduled tasks, browser use, and data analysis, while a VulcanBench Frontier v4 comparison found GPT-5.6 Sol and GPT-6.0 Sol struggled at Low effort.
That demand briefly outran OpenAI's capacity across ChatGPT and the API. OpenAI said Sol had returned to expected speeds after the initial spike, with performance nearly twice as fast after more capacity came online than the previous day; paid ChatGPT accounts are also getting a global reset.
That demand briefly outran OpenAI's capacity across ChatGPT and the API. OpenAI said Sol had returned to expected speeds after the initial spike, with performance nearly twice as fast after more capacity came online than the previous day; paid ChatGPT accounts are also getting a global reset.
Timeline3
2d
GPT-6.1 Sol became available in Codex after users updated to version 0.153.0 or newer.
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OpenAI said GPT-6.1 Sol was its most demanded model across API and subscriptions, with additional capacity added after heavy load.
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OpenAI said GPT-6.1 Sol had returned to expected speeds after the initial load spike and announced a global reset for paid ChatGPT accounts.
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