Initial notes on GPT-5.2 - I'm excited to see the knowledge cut-off bump up to August 2025, interesting that it's priced at 1.4x over GPT-5.1 
Simon Willison’s Weblog
GPT-5.2
OpenAI reportedly declared a “code red” on the 1st of December in response to increasingly credible competition from the likes of Google’s Ge...