# Cosmos3 Super Reasoner API Pricing

As of October 10, 2026, Cosmos3 Super Reasoner costs $0.10 per 1M input tokens and $0.30 per 1M output tokens on Nebius AI Studio. It has a 262,144-token context window and returns up to 262,144 tokens per response.

- Page: https://models.litellm.ai/models/cosmos3-super-reasoner
- Lab: NVIDIA
- LiteLLM model name: `nebius/nvidia/Cosmos3-Super-Reasoner`
- Context window: 262,144 tokens
- Max output: 262,144 tokens
- Added to LiteLLM: September 3, 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 |
|---|---|---|---|---|---|---|---|
| Nebius AI Studio | `nebius/nvidia/Cosmos3-Super-Reasoner` | $0.10 | $0.30 | – | – | – | 256K |

## Cost examples

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

- Nebius AI Studio: $0.35

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

- Nebius AI Studio: $1.06

## Features

Supported: Function calling, Image input, Reasoning.

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="nebius/nvidia/Cosmos3-Super-Reasoner",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## FAQ

### How much does Cosmos3 Super Reasoner cost?

Cosmos3 Super Reasoner costs $0.10 per 1M input tokens and $0.30 per 1M output tokens on Nebius AI Studio.

### What is the context window of Cosmos3 Super Reasoner?

Cosmos3 Super Reasoner has a 262,144-token context window and returns up to 262,144 tokens per response.

### Which providers offer Cosmos3 Super Reasoner?

Cosmos3 Super Reasoner is available from Nebius AI Studio through LiteLLM, using the model name nebius/nvidia/Cosmos3-Super-Reasoner.

### How do I call Cosmos3 Super Reasoner with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="nebius/nvidia/Cosmos3-Super-Reasoner", 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 Cosmos3 Super Reasoner support?

Cosmos3 Super Reasoner supports function calling, image input and reasoning.

### When did LiteLLM add Cosmos3 Super Reasoner?

Cosmos3 Super Reasoner was added to LiteLLM's model price file on September 3, 2026.

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