The Anthropic model suspension story deepened as WSJ reported that Amazon CEO Andy Jassy personally flagged security concerns to US officials that triggered the crackdown on Fable 5 and Mythos 5.
A critical Starlette vulnerability affecting 325 million weekly downloads and a data exfiltration flaw in Microsoft Copilot Cowork highlight that agent security is not keeping pace with deployment.
Claude Platform launched natively on AWS as the first cloud-integrated frontier AI platform, while OpenAI spun out DeployCo as a dedicated enterprise deployment company.
OpenAI's models, Codex, and Managed Agents launched on Amazon Bedrock one day after Microsoft's exclusivity ended, while Anthropic took a different tack with nine creative-tool connectors.
Amazon invested another $5 billion in Anthropic with a $100 billion AWS infrastructure commitment, while Alibaba's Qwen 3.6 Max Preview topped coding benchmarks as a closed-weights model and GitHub paused new Copilot subscriptions under agentic compute strain.