OpenAI has sent out emails notifying API customers that its chatgpt-4o-latest model will be retired from the developer platform in mid-February 2026. Access to the model is scheduled to end on ...

OpenAI has released its GPT‑3.5 Turbo API to developers as of Monday, bringing back to life the base model that powered the ChatGPT chatbot that took the world by storm in 2022. It will now be ...

OpenAI’s ChatGPT has surpassed 400 million weekly active users, a milestone that underscores the company’s growing reach across both consumer and enterprise markets, according to an X post from chief ...

OpenAI will soon retire GPT-4, an AI model it launched over two years ago, from ChatGPT, according to a changelog posted on Thursday. Effective April 30, GPT-4 will be “fully replaced” by GPT-4o, the ...

OpenAI is upgrading free ChatGPT users to the GPT-5.6 Luna model this week. Unlimited text chats and a new Think button will be available next week for free users. Paid subscribers receive an updated ...

The OpenAI ChatGPT Realtime API, now available in public beta, is transforming how developers create low-latency, multimodal applications. By seamlessly integrating speech, text, and function calling ...

OpenAI has recently introduced an exciting new feature called “structured outputs” in their ChatGPT API, transforming the way developers interact with and extract data from the powerful language model ...

API pricing for the lightweight GPT-5.6 Luna model drops by 80%, while the middle-tier GPT-5.6 Terra sees a 20% price reduction. A new API "Fast mode" for the flagship GPT-5.6 Sol delivers up to 2.5 ...

OpenAI has begun rolling out its newest AI model, GPT-4.5, to users on its ChatGPT Plus tier. In a series of posts on X, OpenAI said that the rollout will take “1-3 days,” and that it expects rate ...

While ChatGPT has existed in various forms for some time, its true mainstream success began with the release of GPT-3 in 2020. Since then, ChatGPT has evolved significantly, both for better and worse.

OpenAI is now fighting a court order to preserve all ChatGPT user logs—including deleted chats and sensitive chats logged through its API business offering—after news organizations suing over ...