On Tuesday, OpenAI released a new foundation model called GPT-5.5 Instant, which will replace GPT-5.3 Instant as the default ChatGPT model. The company said the model reduces hallucination in ...

Last month, Anthropic made a big deal about the supposedly outsize cybersecurity threat represented by its Mythos Preview model, leading the company to restrict the initial release to “critical ...

The system prompt for OpenAI’s Codex CLI contains a perplexing and repeated warning for the most recent GPT model to “never talk about goblins, gremlins, raccoons, trolls, ogres, pigeons, or other ...

Credit: VentureBeat made with OpenAI ChatGPT Images 2.0 After months of rumors and reports that OpenAI was developing a new, more powerful AI large language model for use in ChatGPT and through its ...

Katelyn is a reporter with CNET covering artificial intelligence, including chatbots, image and video generators. Her work explores how new AI technology is infiltrating our lives, shaping the content ...

OpenAI on Thursday released GPT-5.5, its newest AI model, which the company calls its “smartest and most intuitive to use model” yet. The algorithm comes with increased capabilities in a multitude of ...

OpenAI announced GPT-5.5, its latest AI model that is better at coding, using computers and pursuing deeper research capabilities. The launch comes just weeks after Anthropic unveiled Claude Mythos ...

OpenAI is introducing an artificial intelligence model that’s intended to be better at completing work without much direction, part of a push to keep pace with rivals like Anthropic PBC in courting ...

The system represents an improvement in autonomous or agentic capability. GPT-5.5 “represents a step toward AI systems that can complete complex, multistep tasks on a computer without human guidance,” ...

OpenAI’s latest model is here. The company says that new AI model, GPT-5.5, is extremely skilled at intuiting its user’s needs, and is the most effective ever at undertaking economically-viable work.

The maker of ChatGPT is taking a more open approach to cybersecurity than its chief rival, Anthropic. By Cade Metz Reporting from San Francisco The artificial intelligence company Anthropic said this ...