If you have been playing around creating a few OpenAI custom GPTs in the new ChatGPT Explore section, which is now available to ChatGPT Plus and Enterprise users. You may have seen a section where you ...

OpenAI says GPT-5.3 Instant improves conversational flow, trims excessive disclaimers and delivers more reliable answers ...

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