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Or when they didn’t release thinking models until deepseek was first released

Why do I keep seeing this nonsense posted around? gpt-o1 was released sept 2024 and deepseek r1 was jan 2025

IIRC, GPT-o1 was a reasoning model, but the reasoning traces weren’t exposed to the user until after DeepSeek R1 did so.

They meant open weights? gpt-oss came after DeepSeek.