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TL;DR - NVIDIA AI amplified an SGLang post announcing day-0 serving support for Meta's Muse Glimmer model, reporting ~230 tok/s on a single RTX 5090 using NVFP4 quantization with DFlash enabled. It matters because it signals that a newly released Meta model is immediately runnable locally on consumer and workstation hardware through an open-source inference stack.

• SGLang claims day-0 inference support for Meta's Muse Glimmer, coordinated with both NVIDIA and Meta teams.
• Reported throughput is ~230 tokens/sec on one RTX 5090, attributed to NVFP4 (4-bit floating point) quantization plus a "DFlash" attention/kernel path.
• Stated to run out of the box across NVIDIA RTX PRO 6000, DGX Spark, and Apple Silicon via MLX — i.e., broad local-deployment coverage rather than a single vendor target.
• Framed toward local agent workloads; note this is a promotional social post with no benchmark methodology, quality evaluations, or batch/context details disclosed.