nvidia
NVIDIA: Nemotron 3 Ultra (free)
nvidia/nemotron-3-ultra-550b-a55b:free
NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE).
- Context window: 1,000,000 tokens
- Input: text
- Output: text
- Pricing: $0/M input tokens, $0/M output tokens
RuntimeWire coverage
- Standard Machines launches RL environments that train AI agents to design chips
- Ian Barber's warning: LLMs have entered the recsys phase
- We turned Claude Code's spinner into a live newsfeed and an open ad market
- Nemotron-3 Ultra crushes Gemma-4 31B by 6 points
- The Week Open Weights Went Multimodal
- NVIDIA's new Nemotron model takes the top US open-weight slot, Artificial Analysis says
- NVIDIA Unveils Nemotron 3 Ultra, Targets the Next Wave of AI Agents
View on OpenRouter. Model data sourced from OpenRouter.