OpenAI's new small models are faster and cheaper than GPT-5.4—exactly what developers and businesses actually need.

OpenAI just launched GPT 5.4 mini and nano models which are now live in the API, Codex, and ChatGPT with improved coding capabilities.

The latest GPT-5.4 mini model delivers benchmark results surprisingly close to the full GPT-5.4 model while running much faster, signaling a shift toward smaller AI models powering real-world ...

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 ...

OpenAI (OPENAI) has launched GPT‑5.4 mini and nano, its most capable small models yet, according to the ChatGPT maker.

Disclosure: Ziff Davis, CNET's parent company, in 2025 filed a lawsuit against OpenAI, alleging it infringed Ziff Davis ...

OpenAI's new GPT-5.4 mini model offers performance improvements in reasoning, multimodal understanding and more.