LLM: Nemotron
- Developer
-
NVIDIA
- Current Generation
- Nemotron 3 Ultra
- Generations
- Nemotron 3 Nano, Nemotron 3 Super, Nemotron 3 Ultra
- Initial Release
-
2025-12-15 - Overview
- Nemotron is NVIDIA's open model family for efficient reasoning, coding, long-context analysis, and agent orchestration. Nemotron 3 Ultra is the current flagship.
- Description
- NVIDIA introduced the Nemotron 3 family in December 2025 with Nano, Super, and Ultra tiers. Nemotron 3 Ultra, released in June 2026, is a 550B-parameter hybrid Mamba-Transformer mixture-of-experts model with 55B active parameters and a one-million-token context window. It is optimized for long-running agent workflows, tool use, code, multilingual reasoning, and high-stakes retrieval. NVIDIA publishes the weights, training data, recipes, and fine-tuning workflows under the OpenMDW-1.1 license.
- Open Source
- Yes
- Instruct Tuned
- Yes
- Model Sizes
-
550B (55B active) - Finetuning
- Yes
- License
- OpenMDW-1.1
- Pricing
- https://build.nvidia.com/nvidia/nemotron-3-ultra-550b-a55b
- Link
- Visit
- Further Reading
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