https://llmrequirements.com/news/2026-06-03-nemotron-3-ultra-announced LLMRequirements.com en 2026-06-03T00:00:00.000Z NVIDIA announces Nemotron 3 Ultra — 500B/50B open MoE, weights expected this week release, nvidia, nemotron https://llmrequirements.com/news/2026-06-03-nvfp4-qwen-3-6-35b-dgx-spark LLMRequirements.com en 2026-06-03T00:00:00.000Z NVFP4 + Qwen 3.6 35B-A3B on DGX Spark: 97 tok/s single, 322 tok/s at 8 concurrent (decode-only) software, performance, nvidia, dgx-spark, nvfp4