Nathan Lambert @natolambert

Okay now I really gotta blog 🎉 [引用 @AIatMeta]: Today we’re releasing Muse Spark Open, the most capable US open-weight model to date. Built for coding and agentic work, it excels at long-horizon tasks, complex software engineering, and multi-step reasoning. Key Model Specs: → 816B total / 42B active parameters → 1M token context window → Natively multimodal across text, image, video, audio

• Open-source AI reading list posted on Hacker News2026-09-14