GPT-5.4 mini and GPT-5.4 nano, which can describe 76,000 photos for $52
Simon Willison Blog
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Generative AI
OpenAI today: Introducing GPT‑5.4 mini and nano. These models join GPT-5.4 which was released two weeks ago. OpenAI's self-reported benchmarks show the new 5.4-nano out-performing their previous GPT-5 mini model when run at maximum reasoning effort. The new mini is also 2x faster than the previous mini...