GPT-5.3
GPT-5.3 is an AI model published by OpenAI, released on 2026-02-20, for Foundation model, and 1M context length, under the 不开源 license.
Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology
GPT-5.3 is an AI model published by OpenAI, released on 2026-02-20, for Foundation model, and 1M context length, under the 不开源 license.
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