
OpenAI continues to ship new models with the release of GPT-5.4 mini and nano, its “most capable small models yet.” ChatGPT users can start using GPT-5.4 mini today.
These flavors of GPT-5.4 are designed to be fast and efficient for high-volume workloads, according to OpenAI.
Here’s more about GPT-5.4 mini:
GPT‑5.4 mini significantly improves over GPT‑5 mini across coding, reasoning, multimodal understanding, and







