GPT-5.2 models match GPT-5 and 5.1 with a 400K context window and 128K max output tokens, but have a newer knowledge cutoff of Aug. 31, 2025 vs. Sept. 30, 2024 (Simon Willison/Simon Willison's Newsletter)

GPT-5.2 models match GPT-5 and 5.1 with a 400K context window and 128K max output tokens, but have a newer knowledge cutoff of Aug. 31, 2025 vs. Sept. 30, 2024 (Simon Willison/Simon Willison's Newsletter) - Tech Sentiments