OpenAI has retired GPT-4o and other older models from ChatGPT today, citing a shift to newer GPT-5 systems amid controversy and legal scrutiny.

OpenAI is rolling out GPT-4.1, its new non-reasoning large language model (LLM) that balances high performance with lower cost, to users of ChatGPT. The company is beginning with its paying ...

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 ...

The biggest mistake people make when trying to get their ChatGPT API key is that they use the wrong URL. The key can't be found at chatgpt.com. Instead, point your browser to the OpenAI developer ...

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 ...

Story by Kate Park, Kyle Wiggers, Cody Corrall, Alyssa Stringer ChatGPT, OpenAI’s text-generating AI chatbot, has taken the world by storm since its launch in November 2022. What started as a tool to ...

OpenAI's ChatGPT platform just became a whole lot more interactive, with the launch of GPT-4o. This "flagship model" analyzes audio, visual and/or text input, providing answers via a real-time ...

As OpenAI removed access to GPT-4o in its app on Friday, people who have come to rely on the chatbot for companionship are mourning the loss all over the world.

OpenAI has released an update for ChatGPT's GPT-5.2 Instant model that improves response style and tone, delivering clearer answers with key information up front.

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.

As LLMs store sensitive prompts and metadata outside traditional controls, organizations must prepare for exposure events they can’t fully prevent.

A frenzy of devoted GPT-4o fans are begging OpenAI not to pull the plug.