Muse Spark 1.3 Contributor

museReasoningTool CallingAttachmentsStructured Output

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...

Providers9

ReleasedSep 2, 2026

Input Modalitiestext, image, video, pdf, audio

Output Modalitiestext

Tarsk Usecoding

Available Providers (9)

Provider	Model ID	Input Cost	Output Cost	Context	Max Output
Bothub	`muse-spark-1.3-contributor`	$0.10/MTok	$0.20/MTok	1.0M	943.7K
NanoGPT	`meta/muse-spark-1.3-contributor`	$0.10/MTok	$0.20/MTok	1.0M	943.7K
LLM Gateway	`meta-contributor/muse-spark-1.3-contributor`	$0.10/MTok	$0.20/MTok	1.0M	1.0M
Vercel AI Gateway	`meta/muse-spark-1.3-contributor`	$0.10/MTok	$0.20/MTok	1.0M	1.0M
Meta	`muse-spark-1.3-contributor`	$0.10/MTok	$0.20/MTok	1.0M	131.1K
DevPass (LLM Gateway)	`muse-spark-1.3-contributor`	$0.10/MTok	$0.20/MTok	1.0M	1.0M
Kilo Gateway	`meta/muse-spark-1.3-contributor`	$0.10/MTok	$0.20/MTok	1.0M	943.7K
OpenRouter	`meta/muse-spark-1.3-contributor`	$0.10/MTok	$0.20/MTok	1.0M	943.7K
OpenCode Go	`muse-spark-1.3-contributor`	$0.10/MTok	$0.20/MTok	1.0M	131.1K

Capabilities

Reasoning

Tool Calling

Attachments

Open Weights

Structured Output