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

OpenAI upgrades ChatGPT free tier with GPT-5.4 Mini offering faster performance and introducing subagent capabilities to improve efficiency, multitasking and real-time AI workflows for millions of ...

OpenAI hosted a longer-than-usual press event on Thursday to unveil GPT-5, the ChatGPT upgrade we've been waiting for. The new AI model brings performance improvements across reasoning and coding, and ...

OpenAI unveiled the GPT-5 models less than a week ago, but the launch of the long-awaited ChatGPT upgrade hasn't been as smooth as the AI company might have hoped. GPT-5 was met with plenty of ...

OpenAI is releasing today two new small models, GPT-5.4 mini and nano, which are optimized for speed and efficiency.

Microsoft adds OpenAI's GPT-5.4 mini and nano models to AI Foundry, giving developers faster and cheaper tools to build everyday software.

OpenAI has launched GPT-5.4, its most capable frontier model for professional work, now available in ChatGPT as GPT-5.4 ...

When ChatGPT first launched over two years ago, the AI chatbot was met with such high demand that OpenAI introduced a premium plan called ChatGPT Plus. This plan guaranteed access to the chatbot even ...

A new version of ChatGPT has arrived that OpenAI CEO Sam Altman promises will have Ph.D-level smarts. OpenAI on Thursday announced the release of GPT‑5, which it calls its “smartest, fastest and most ...

In his One Useful Thing newsletter, Ethan Mollick explains what’s interesting about GPT-5: In general, AIs that “think” before answering (called Reasoners) are the best at hard problems. The longer ...