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

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

Source: TechMeme
Source Link: http://www.techmeme.com/251212/p2#a251212p2