OpenAI has introduced GPT-5.4 mini and GPT-5.4 nano, two small, cost-efficient versions of its flagship AI model. In a press release, OpenAI said that 5.4 nano and mini are “our most capable small ...

On Wednesday, OpenAI announced the release of two new models—o3 and o4-mini—that combine simulated reasoning capabilities with access to functions like web browsing and coding. These models mark the ...

OpenAI Group PBC today launched a new large language model that it says is more adept at automating work tasks than its earlier algorithms. GPT-5.4 is available in ChatGPT, the Codex programming tool ...