NVIDIA AI announced the release of NVIDIA Nemotron‑3 Ultra 550B (55B active) – What Developers Need to Know
NVIDIA’s Nemotron‑3 Ultra is a frontier‑scale LLM with 550 B total (55 B active) parameters, a hybrid LatentMixture‑of‑Experts (LatentMoE) architecture, and up to 1 M token context length. It runs on NVIDIA GPUs (minimum 4 × B200/H100) and offers configurable reasoning traces, multi‑token speculative decoding, and multilingual support. Benchmarks show strong performance on agentic, reasoning, and long‑context tasks.