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The Information reported that Andy Jassy was among the tech leaders who raised Anthropic model concerns to Trump officials, and Axios separately said Amazon informed the White House. That adds a named actor to the export-control timeline tied to Fable 5 and Mythos 5 staying offline for users and some employees.

Anthropic said it is acquiring Stainless, the SDK and MCP server platform behind Anthropic’s own official SDKs across major languages. The deal matters because Anthropic is bringing a key part of its API and agent-connectivity toolchain in-house while developers reassess alternative codegen stacks.

Posts summarizing WSJ reporting say Anthropic’s push to widen Mythos preview access by about 70 organizations was opposed over national-security and compute-capacity concerns. The change matters because access to Anthropic’s top cyber model may stay tightly rationed for defenders, vendors, and evaluators.