# Nemotron 3 Ultra

Nemotron 3 Ultra is a model from NVIDIA. Release date unknown. The context window is 1,000,000 tokens. The maximum output is 65,000 tokens. Pricing is $0.60 per million input tokens and $2.40 per million output tokens.

- Developer: NVIDIA
- Id: nvidia/nemotron-3-ultra-550b-a55b
- Status: API availability
- Canonical: https://alexgetman.com/models/nvidia/nemotron-3-ultra-550b-a55b/

## Questions

### What is the context window of Nemotron 3 Ultra?

The context window is 1,000,000 tokens. The maximum output is 65,000 tokens.

### How much does Nemotron 3 Ultra cost?

Pricing is $0.60 per million input tokens and $2.40 per million output tokens. Cached input is $0.12 per million.

### When was Nemotron 3 Ultra released?

Release date unknown

## Evidence links

- [Artificial Analysis · benchmarks](https://artificialanalysis.ai/models)
- [TrueFoundry · Azure catalogue](https://github.com/truefoundry/models/blob/main/providers/azure-ai-foundry/Nemotron-3-Ultra-550B-A55B-BF16.yaml)
- [TrueFoundry · Azure catalogue](https://github.com/truefoundry/models/blob/main/providers/microsoft-foundry/Nemotron-3-Ultra-550B-A55B-BF16.yaml)
- [Arena · leaderboards](https://huggingface.co/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16)
- [Arena · leaderboards](https://huggingface.co/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4)
- [models.dev · catalogue](https://models.dev/#NVIDIA-Nemotron-3-Ultra-550B-A55B)
- [models.dev · catalogue](https://models.dev/#NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16)
- [models.dev · catalogue](https://models.dev/#NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16:peft:262144)
- [models.dev · catalogue](https://models.dev/#Nemotron-3-Ultra-550b-a55b)
- [models.dev · catalogue](https://models.dev/#nemotron-3-ultra)
- [models.dev · catalogue](https://models.dev/#nemotron-3-ultra-550b-a55b)
- [models.dev · catalogue](https://models.dev/#nemotron-3-ultra-550b-a55b-free)
- [models.dev · catalogue](https://models.dev/#nemotron-3-ultra-550b-a55b:free)
- [models.dev · catalogue](https://models.dev/#nemotron-3-ultra-free)
- [models.dev · catalogue](https://models.dev/#nemotron-3-ultra-nvfp4)
- [models.dev · catalogue](https://models.dev/#nvidia-nemotron-3-ultra)
- [models.dev · catalogue](https://models.dev/#nvidia-nemotron-3-ultra-550b-a55b)
- [OpenCode · discovery](https://opencode.ai/data/nvidia/nemotron-3-ultra-550b-a55b)
- [openrouter](https://openrouter.ai/nvidia/nemotron-3-ultra-550b-a55b)
- [openrouter](https://openrouter.ai/nvidia/nemotron-3-ultra-550b-a55b:free)

## Signals

- [Z.ai: GLM 5.2](https://alexgetman.com/signals/2026/09/14/z-ai-glm-5-2/)
- [Nemotron 3 Ultra spotted on Arena](https://alexgetman.com/signals/2026/09/11/nemotron-3-ultra-550b-a55b-reasoning/)