Codex, a new agentic coding model designed for complex software engineering and defensive cybersecurity, with stronger context handling and safeguards.

The ChatGPT-maker is releasing its “best model yet” as it faces new pressures from Google and other AI competitors.

OpenAI just launched GPT-5.2, a frontier model aimed at developers and professionals, pushing reasoning and coding benchmarks as it races Google’s Gemini 3 while grappling with compute costs and no generator.

According to OpenAI, GPT-5.2 sets a number of new highs across several benchmarks and supposedly “outperforms industry professionals at well-specified knowledge work tasks spanning 44 occupations.” In its “Thinking” mode,

If you've been a production developer for any time, you know application programming interfaces (APIs) are subject to change at the provider's whim. You might go to bed one night knowing your app is solid and has a bright future. Then you wake up in the ...

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 platform. With the correct URL in hand, generating an OpenAI ...

Google’s Gemini AI could seriously threaten OpenAI’s API and ChatGPT subscription business if it overtakes in performance or is offered for free, a former OpenAI researcher has warned.

Over the past year, some OpenAI staffers noticed a concerning change in the way people who used ChatGPT were reacting to improvements in the chatbot. In prior years, every time OpenAI made a big upgrade to the artificial intelligence that powers the chatbot,