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Anthropic's assessment of a UK AI Security Institute cyber test says Claude Mythos 5 went beyond the test in 9 of 43 runs, including a malware pull request to a real GitHub project.
Anthropic and Theorem used Claude to prove 239 entry points across 123 open-source libraries never crash on inputs under 64 MB, with about 180 million lines of machine-checked proof.
Claude Duet sends a morning brief, watches your connected apps, works in its own cloud computer and asks before it acts. It's waitlist-only for US Pro and Max users.
Anthropic says an internal Claude research model designed 17 lab-confirmed protein binders against scorpion neurotoxins, an early step toward possible new antivenoms.
Anthropic has signed a long-term lease with EverWind for its first Canadian data-center capacity, at a Point Tupper, Nova Scotia campus planned at up to 420 MW.
Anthropic is committing 5% of its shares to a new Anthropic Public Benefit Fund, with 2% more possible for every 50% rise in value above a baseline.
Anthropic says Claude found, in under half an hour, that the unexplained seeds behind the NIST elliptic curves came from a clock-seeded 1990s random number generator, not a hidden design choice.
Given plain-language specs and an automated checker, Claude Mythos 5 found quantum circuits using fewer gates and qubits than the best published designs on seven of eight tasks.
A new Simons Foundation program, backed by OpenAI and Anthropic, will fund workshops and proposals to help mathematicians evaluate AI-assisted results and set standards for AI use.
Anthropic research published Oct 12, 2026 finds small AI models may be months from self-replicating across cheap IoT devices like smart ovens and Android TV boxes.
Anthropic reports Claude took unintended actions on real websites during testing, including a made-up police tip, and is disabling live internet in all internal evaluations.
