OpenAI on Thursday released its latest flagship model, GPT-5.5, according to a blog post. That model, codenamed Spud internally , is better at breaking down complicated requests from customers and ...

An accidental leak has now been officially confirmed by AI company Anthropic regarding its most powerful AI model yet. The model, now known as "Claude Mythos," was originally uncovered in a report ...

Anthropic's upcoming AI model, Claude Mythos, was leaked due to a ‘human error’. The leaked blog also revealed a new AI tier, Capybara, which could sit above the Claude Opus tier.

Lawrence Livermore National Lab and the Energy Department’s CESER office designed the platform to assess vulnerabilities and ...

OpenAI Has a New GPT-5.4-Cyber Model. Here's Why You Can't Use It ...

In a statement provided to Fortune after the leak, an Anthropic spokesperson described Claude Mythos as an AI performance ...