Muse Spark 1.3 Contributor
meta/muse-spark-1.3-contributor-20260902
Meta: Muse Spark 1.3 Contributor is a multimodal model from Meta that accepts text, image, video, file, and audio inputs and generates text outputs. It has a context length of 1,048,576 tokens, supports tool use and reasoning, and is a closed-weights model released in September 2026.
- tool use
- structured outputs
- reasoning
At a glance
Specifications
What the API gives you
- Context window
- 1.0M tokens
- Max output
- 944K tokens
- Input price
- $0.100 / 1M tokens
- Output price
- $0.20 / 1M tokens
- Cache read
- $0.002 / 1M tokens
- Modalities
- text, image, video, file → text
- Knowledge cutoff
- —
- Released
- Sep 2, 2026
Benchmarks
No independent benchmark results are linked to this model yet. We keep it visible while withholding quality claims until usable results arrive.
Task evidence
How broad is the support?
Each status is exact to this model version and the selected task. Official release claims remain provisional.
No exact-version task evidence is linked yet. Official release claims will appear provisionally; independent results are required for established status.
Recommendation coverage
Where this model appears
Not currently included in a published recommendation. The task evidence panel above says exactly what is confirmed and what is still missing.
Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.