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Meta: muse-spark-1.3-contributor
muse-spark-1.3-contributor
1M context131.1K outReasoningToolsParallel toolsVisionAudio inVideoFilesCacheStructuredWeb searchSystem msg
Released Sep 2, 2026Updated Sep 6, 2026
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.
Mode chatTokenizer OtherReasoning levels minimal, maxModerated
Pricing
Input price
$0.20/ 1M tokens
Output price
$0.40/ 1M tokens
Compatible endpoints openaiVendor Meta
Uptime
Performance
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Usage & Ranking
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Supported parameters
All providers = every upstream serving this model supports it. Some providers = depends on which upstream handles the request. Default = the value sent when you leave the parameter unset.
| Parameter | Providers | Default |
|---|---|---|
| include_reasoning | All providers | - |
| max_tokens | All providers | - |
| reasoning | All providers | - |
| reasoning_effort | All providers | - |
| repetition_penalty | All providers | - |
| response_format | All providers | - |
| structured_outputs | All providers | - |
| temperature | All providers | - |
| tool_choice | All providers | - |
| tools | All providers | - |
| top_k | All providers | - |
| top_p | All providers | - |