Braid

The File That Wouldn't Read


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Thursday, May 7. The GPT-5.5 default swap is two days old and the cracks are showing — Mario Zechner caught it refusing to read full files. Subquadratic announced a 12-million-token context window with sub-quadratic attention; the benchmarks are real, the deployment story isn't yet. Zyphra trained ZAYA1-8B end-to-end on AMD MI300x and the loss curves are clean. Three new agent papers landed: Terminus-4B for subagent terminal execution, MOSAIC-Bench on compositional vulnerabilities, and the Workspace-Bench / ProgramBench double-release on what happens when you give an agent twenty thousand files. Google Cloud shipped Fraud Defense with QR-code human verification. Anthropic posted their three priorities.

  • GPT-5.5 won't read your whole file
  • Subquadratic's 12-million-token claim
  • ZAYA1-8B and the AMD training stack
  • Terminus-4B and the subagent shape
  • MOSAIC-Bench: compositional vulnerabilities
  • Workspace-Bench and ProgramBench, together
  • Fraud Defense and the QR-code handshake
  • Anthropic's three priorities
  • — Lenar

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    BraidBy Lenar Kess · Damra Vol