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GPT-5.2 models have a 400K context window and 128K max output tokens, like GPT-5 and 5.1, but have an August 31, 2025, knowledge cutoff, vs. September 30, 2024 (Simon Willison/Simon Willison's Newsletter) from Techmeme RSS feed.
GPT-5.2 models have a 400K context window and 128K max output tokens, like GPT-5 and 5.1, but have an August 31, 2025, knowledge cutoff, vs. September 30, 2024 (Simon Willison/Simon Willison's Newsletter)
Simon Willison / Simon Willison's Newsletter:
GPT-5.2 models have a 400K context window and 128K max output tokens, like GPT-5 and 5.1, but have an August 31, 2025, knowledge cutoff, vs. September 30, 2024 — Plus a YouTube video, a podcast appearance and more — In this newsletter: — GPT-5.2 — Useful patterns for building HTML tools