Product · mentioned 4 times
Large language model from OpenAI, released in November 2025 as an update in the GPT-5 series.
Tap a name to go there · tap a line to see why they are linked
The Information's TITV· 5 Nov
Paddy Srinivasan illustrates model routing with a hypothetical: a bot hunting down an iPhone Duo for him, asking whether he needs GPT-5.1 for that or whether an open-weight model can do the grunt work.Lenny's Podcast: Product | Career | Growth· 2 Apr
In November 2025 GPT-5.1 and Claude Opus 4.5 arrived and Simon Willison calls this the inflection point.