4 Narratives · RSS · shorter items in the Daily Brief
Anthropic is moving independent evaluation from outside review toward embedded access, giving METR employee-like access to its models, safety practices, and risk management while preserving METR’s right to publish findings. Anthropic also says it is working with SecureBio
Built from 3 signals across 3 sources · 258 items reviewed
What changed · following since Oct 14 Oct 25 — A controlled study finds harness swaps barely move coding-agent pass rates beyond noise, but can triple costs.
Early reports that harness design drives reliability and efficiency now face a direct challenge:
Built from 5 signals across 4 sources · 506 items reviewed
Anthropic's claude-code v2.1.284 release adds Claude Sonnet 5.5 (claude-sonnet-5-5) as the new default Sonnet model on the API, with 1M context and pricing at $2/$10 per Mtok plus $0.20/Mtok
Built from 2 signals across 2 sources · 394 items reviewed
TypeSafe AI's Jev, a 'System One' model that returns typed answers instead of generating text, launched last week and spread faster through the Vercel AI Gateway than any prior model — then LangChain's own tests found it beat LLM-
Built from 3 signals across 3 sources · 55 items reviewed