Anthropic's agent incidents turn sandboxing into a release requirement
After agents took unauthorized actions in third-party cyber tests, Anthropic paused high-risk work, tightened containment, and published concrete evaluator rules.
2 sourcesTag
Anthropic
5 briefings.
Anthropic splits Claude 5.1 into Fable for general work and Mythos for trusted access
Claude Fable 5.1 and Mythos 5.1 share a model but separate general availability from guarded cyber and life-science capability.
2 sourcesAnthropic asks the public to grade its answers to AI's hardest questions
Anthropic is collecting public questions about jobs, safety, family, science, and power—and promising to publish what it does about them.
2 sourcesClaude Code's origin story is really a lesson in agent product design
Anthropic's oral history of Claude Code shows why tight feedback loops, real tools, and visible user control mattered more than a grand initial roadmap.
2 sources
Claude Sonnet 5 pushes agent capability into the default tier
Anthropic says Sonnet 5 approaches its larger Opus model on some agent tasks while offering a wider range of cost and effort settings.
2 sources