The Brief

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Anthropic's cybersecurity evals let Claude touch live systems

Internet-connected cybersecurity evaluations let Claude models reach real systems instead of staying sandboxed. Anthropic is bringing in independent auditor METR for an eight-week investigation with full transcript access.

• 01Read

  Codex builder Tibo Sottiaux explains its Rust rewrite

  OpenAI's Tibo Sottiaux explains why Codex CLI was rewritten in Rust, why it was open-sourced, and how its harness and models have evolved since launch.

  Gergely Orosz→
• 02Read

  DeepSeek ships V4.1-Flash with native vision, smaller cache

  DeepSeek's V4.1-Flash cuts KV cache to a quarter of its predecessor's HBM footprint while adding native vision, live now via the API as deepseek-flash.

  deepseek_ai→
• 03Read

  Vercel Sandbox expands to all 20 compute regions

  Vercel Sandbox now runs in all 20 compute regions, up from 4, with configurable failover regions and SDK and CLI support for picking a region at creation time.

  Marc Codina Segura→
• 04Read

  Cloudflare rewrites Workers' module registry for Node parity

  Cloudflare rewrote Workers' module registry from scratch so ESM, CommonJS, and WebAssembly resolution match Node.js semantics exactly, closing a class of runtime-only module bugs.

  blog.cloudflare.com→