# Nvidia Nemotron 3 Ultra 550B A55B API Pricing

As of October 10, 2026, Nvidia Nemotron 3 Ultra 550B A55B costs $0.50 per 1M input tokens and $2.15 per 1M output tokens from Weights & Biases, the lowest of 3 providers, with cache reads at $0.10 per 1M tokens. It has a 262,000-token context window and returns up to 202,800 tokens per response.

- Page: https://models.litellm.ai/models/nvidia-nemotron-3-ultra-550b-a55b
- Lab: NVIDIA
- LiteLLM model name: `wandb/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B`
- Context window: 262,000 tokens
- Max output: 202,800 tokens
- Added to LiteLLM: August 27, 2026
- Prices updated: October 10, 2026

## Pricing by provider

Token prices in USD per 1M tokens.

| Provider | Model name | Input | Output | Cache read | Per image | Per second | Context |
|---|---|---|---|---|---|---|---|
| Weights & Biases | `wandb/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B` | $0.50 | $2.15 | $0.10 | – | – | 262K |
| Baseten | `baseten/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B` | $0.60 | $2.40 | $0.12 | – | – | 203K |
| DeepInfra | `deepinfra/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B` | $0.50 | $2.20 | $0.10 | – | – | 256K |

## Cost examples

1,000 requests with 2,000 input and 500 output tokens each:

- Weights & Biases: $2.075
- DeepInfra: $2.10
- Baseten: $2.40

100 long-document requests with 100,000 input and 2,000 output tokens each:

- Weights & Biases: $5.43
- DeepInfra: $5.44
- Baseten: $6.48

## Features

Supported: Function calling, Structured output, Reasoning, Prompt caching.
Not supported: Image input.

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="wandb/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## FAQ

### How much does Nvidia Nemotron 3 Ultra 550B A55B cost?

Nvidia Nemotron 3 Ultra 550B A55B costs $0.50 per 1M input tokens and $2.15 per 1M output tokens from Weights & Biases, the lowest of 3 providers, with cache reads at $0.10 per 1M tokens.

### What is the context window of Nvidia Nemotron 3 Ultra 550B A55B?

Nvidia Nemotron 3 Ultra 550B A55B has a 262,000-token context window and returns up to 202,800 tokens per response.

### Which providers offer Nvidia Nemotron 3 Ultra 550B A55B?

Nvidia Nemotron 3 Ultra 550B A55B is available from 3 providers through LiteLLM: Weights & Biases, Baseten and DeepInfra. The lowest price is on Weights & Biases.

### How do I call Nvidia Nemotron 3 Ultra 550B A55B with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="wandb/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/chat/completions from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.

### What features does Nvidia Nemotron 3 Ultra 550B A55B support?

Nvidia Nemotron 3 Ultra 550B A55B supports function calling, structured output, reasoning and prompt caching. It does not support image input.

### When did LiteLLM add Nvidia Nemotron 3 Ultra 550B A55B?

Nvidia Nemotron 3 Ultra 550B A55B was added to LiteLLM's model price file on August 27, 2026.

Source: LiteLLM model price file, https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json