#Claude Mythos

After OpenAI’s reported breakthrough on the Erdős unit-distance conjecture, Anthropic employees say Claude Mythos has also produced a proof, underscoring the growing pace of AI-assisted math research.

Researchers at Carnegie Mellon University say a new benchmark measuring real V8 exploitation found Anthropic's Claude Mythos Preview well ahead of OpenAI's GPT-5.5, though at far higher cost.

After previously discarding Biden-era AI safety policy, the Trump administration has signed new voluntary testing agreements with Google DeepMind, Microsoft, and xAI and may go further with a pre-release testing mandate.

Anthropic says it is investigating a report that an unauthorized group accessed Claude Mythos Preview through a third-party vendor environment.

Anthropic says it is investigating a report that unauthorized users accessed its Claude Mythos Preview cybersecurity tool through a third-party vendor environment, while saying it has not found evidence its own systems/N