OpenAI has updated GPT-5.5 Instant, making ChatGPT's default model more conversational, better at advice, and easier to talk to during everyday interactions.

Fable 5 is a nerfed version of Anthropic's Mythos model. Turns out it was actually too nerfed, and the company is sorry. Reading time 2 minutes Anthropic’s Fable 5 model is the nerfed version of ...

Anthropic is finally giving the public a taste of its next-generation model, but its blunt safety barriers are angering some artificial-intelligence developers and users—and feeding a growing debate ...

Anthropic says these fallbacks occur in fewer than 5% of sessions, meaning most users will effectively interact with the full Mythos-class model during ordinary use. Early testing by security ...

Anthropic today announced the launch of Claude Fable 5, a Mythos-class model that it says is safe for general use. According to Anthropic, Fable 5's capabilities exceed those of any model it has made ...

If you want to test out Fable 5 without paying extra, you need to try it before the end of the month. Katelyn is a reporter with CNET covering artificial intelligence, including chatbots, image and ...

Anthropic said its powerful new AI model, Mythos, could be dangerous in the wrong hands. WSJ’s Nicole Nguyen explains why and shares some cybersecurity tips for the average tech user. Photo: Sean ...

As AI models get more powerful, there’s also going to be a level of danger. Anthropic announced Mythos not long ago as a model that was too dangerous for public availability, but a new version of that ...

Back in April, Anthropic unveiled its Claude Mythos AI model that it said was too powerful to publicly release. Instead, the company has shared access with software vendors, including Apple, in an ...

Anthropic is releasing Claude Fable 5 for general users. Fable 5 uses Mythos-class power with safety controls. Pricing is about twice that of Claude Opus 4.8. Anthropic has announced a defanged ...

Anthropic has finally released a version of Claude Mythos, its most powerful model yet, but most people will experience it under a different name. The company just announced Claude Fable 5, its first ...

It says new safeguards make it possible to release a Mythos-class model it previously said was too risky to make public. It says new safeguards make it possible to release a Mythos-class model it ...