# Muse Spark 1.3 Contributor API Pricing

As of October 10, 2026, Muse Spark 1.3 Contributor costs $0.10 per 1M input tokens and $0.20 per 1M output tokens on Meta Model API, with cache reads at $0.002 per 1M tokens. It has a 1,048,576-token context window and returns up to 131,072 tokens per response.

- Page: https://models.litellm.ai/models/muse-spark-1.3-contributor
- LiteLLM model name: `meta/muse-spark-1.3-contributor`
- Context window: 1,048,576 tokens
- Max output: 131,072 tokens
- Added to LiteLLM: September 2, 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 |
|---|---|---|---|---|---|---|---|
| Meta Model API | `meta/muse-spark-1.3-contributor` | $0.10 | $0.20 | $0.002 | – | – | 1M |

## Cost examples

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

- Meta Model API: $0.30

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

- Meta Model API: $1.04

## Features

Supported: Function calling, Parallel tool calls, Structured output, Image input, PDF input, Reasoning, Prompt caching, Web search.

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="meta/muse-spark-1.3-contributor",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## FAQ

### How much does Muse Spark 1.3 Contributor cost?

Muse Spark 1.3 Contributor costs $0.10 per 1M input tokens and $0.20 per 1M output tokens on Meta Model API, with cache reads at $0.002 per 1M tokens.

### What is the context window of Muse Spark 1.3 Contributor?

Muse Spark 1.3 Contributor has a 1,048,576-token context window and returns up to 131,072 tokens per response.

### Which providers offer Muse Spark 1.3 Contributor?

Muse Spark 1.3 Contributor is available from Meta Model API through LiteLLM, using the model name meta/muse-spark-1.3-contributor.

### How do I call Muse Spark 1.3 Contributor with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="meta/muse-spark-1.3-contributor", 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 Muse Spark 1.3 Contributor support?

Muse Spark 1.3 Contributor supports function calling, parallel tool calls, structured output, image input, PDF input, reasoning, prompt caching and web search.

### When did LiteLLM add Muse Spark 1.3 Contributor?

Muse Spark 1.3 Contributor was added to LiteLLM's model price file on September 2, 2026.

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