Models Model details

Meta

Meta: Muse Spark 1.3 Contributor

meta/muse-spark-1.3-contributor

Muse Spark 1.3 Contributor is the cost-efficient contributor tier of Meta’s multimodal reasoning model for experimentation, learning, and early-stage agentic, multi-agent, and coding workflows. It is designed to track information across extended tasks, work through conflicting inputs, and request clarification or confirmation when needed. Prompts and outputs may be used to improve Meta’s products.

Input
$0.1

/ 1M tokens

Output
$0.2

/ 1M tokens

Context window
1.05M

tokens

Limits

Context

1,048,576

tokens

Max output

943,718

90% of the context window

Model facts

Author

Meta

Tokenizer

Other

Modality

Text + Image + File + Video -> Text

Created

Sep 2, 2026

Reasoning

RequiredDefault MediumMaxXhighHighMediumLowMinimal

Publication status

Hugging Face: not mappedLicense: not publishedParameter count: not published

Modalities

Input · TextInput · ImageInput · VideoInput · FileOutput · Text

Generation controls

Include reasoningMax tokensReasoningReasoning effortRepetition penaltyResponse formatStructured outputsTemperatureTool choiceToolsTop kTop p