LaunchAI Models
9 days ago
NVIDIA launches Nemotron 3 Ultra: 550B MoE, open-weights
The 550B MoE model with 55B active parameters and 1M context is up to 5x faster and 30% lower cost for agentic tasks. It scored 47.7 on the Artificial Analysis Intelligence Index (48.2 in BF16), making it the strongest US open-weights model but behind Kimi K2.6.
9 days ago