# Muse Spark 1.2 Contributor

> Muse Spark 1.2 Contributor is a language model from Meta, released on 21 Aug 2026. It accepts text, images, video and files and generates text, with a 1M-token context window and up to 944K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.10 per million input tokens and $0.20 per million output tokens (OpenRouter), across 1 provider we track.

Source page: https://www.aimodel.directory/models/muse-spark-1-2-contributor
Last verified: 4 Oct 2026

## Specifications

- **Developer:** Meta
- **Release date:** 21 Aug 2026 (source: OpenRouter, https://openrouter.ai/meta/muse-spark-1.2-contributor)
- **Status:** Generally available
- **Context window:** 1M (1,048,576 tokens) (source: OpenRouter, https://openrouter.ai/meta/muse-spark-1.2-contributor)
- **Max output:** 944K tokens (source: OpenRouter, https://openrouter.ai/meta/muse-spark-1.2-contributor)
- **Input:** Text, images, video and files (source: OpenRouter, https://openrouter.ai/meta/muse-spark-1.2-contributor)
- **Output:** Text (source: OpenRouter, https://openrouter.ai/meta/muse-spark-1.2-contributor)
- **Reasoning mode:** Yes (source: OpenRouter, https://openrouter.ai/meta/muse-spark-1.2-contributor)
- **Tool calling:** Yes (source: OpenRouter, https://openrouter.ai/meta/muse-spark-1.2-contributor)
- **Structured output:** Yes (source: OpenRouter, https://openrouter.ai/meta/muse-spark-1.2-contributor)

## API pricing (USD per 1M tokens)

| Provider | Input | Output | Cached input | Context |
|---|---|---|---|---|
| OpenRouter | $0.10 | $0.20 | $0.002 | 1M |

## FAQ

### What is the context window of Muse Spark 1.2 Contributor?

Muse Spark 1.2 Contributor has a context window of 1,048,576 tokens (1M) and can generate up to 943,718 tokens in a single response, according to OpenRouter.

### How much does the Muse Spark 1.2 Contributor API cost?

Muse Spark 1.2 Contributor is listed from $0.10 per million input tokens and $0.20 per million output tokens (OpenRouter). Prices last verified 4 Oct 2026.

### When was Muse Spark 1.2 Contributor released?

Meta released Muse Spark 1.2 Contributor on 21 Aug 2026, according to OpenRouter.

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Data licensed CC BY 4.0. Cite as: AI Model Directory, "Muse Spark 1.2 Contributor", https://www.aimodel.directory/models/muse-spark-1-2-contributor