Claude Fable 5 offers Mythos-level performance for most tasks with safeguards on sensitive topics. Anthropic claims testing found no universal jailbreaks. Whether that actually holds up in…

Anthropic and OpenAI promise their latest tools will find more vulnerabilities. Cybersecurity employees say they’re already flooded with AI-generated reports.

With Daybreak, OpenAI is taking direct aim at Anthropic's tightly restricted Mythos model, offering a more open — but still carefully gated — path to AI-powered cyber…