ChatGPT is about to become faster and more conversational as OpenAI upgrades its flagship model GPT-5 to GPT-5.1. OpenAI announced two updates to the GPT-5 series: GPT-5.1 Instant and GPT-5.1 Thinking ...

OpenAI began rolling GPT-6 out to ChatGPT on October 7, 2026, starting with paying tiers and reaching the free tier a day ...

OpenAI on October 7, 2026 began rolling out GPT-6 across ChatGPT, introducing a capability called Intelligent UI that lets ...

Someone may be reading your ChatGPT conversations. That is the privacy question raised by Project Lily, a reported OpenAI initiative in which contract workers review real ChatGPT conversations to ...

OpenAI has officially disabled the GPT-4o model inside ChatGPT and moved users to GPT-5 alternatives, marking a significant platform shift that has prompted backlash from users who preferred the ...

OpenAI introduced GPT-6.1 Sol, an upgrade to its GPT-6 Sol model, at its DevDay 2026 event on September 29, 2026, releasing the model in the API at $2 per million input tokens and $10 per million ...