Muse Spark 1.3 Contributor
by Metatext+image+file+audio+video->text1 endpoint
Neura Intelligence Index
96.0/ 100
Rank
#5—
Confidence
lowBenchmarks
1(3% coverage)
Overview
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.
Capabilities
Text generation
Image understanding
Audio processing
Video understanding
Tool use / Function calling
Structured output
Extended reasoning
Prompt caching
Long context
File input
Top-P sampling
Modalities
Input
TextImageVideoFileAudio
Output
Text
Technical Specifications
Context Window
1.0M tokens
Max Output
943.7K tokens
Tokenizer
Other
Content Moderation
Enabled
Uptime (24h)
9999.9%
Country
🇺🇸US
Release Date
September 2, 20262w
Supported Parameters
include_reasoningmax_tokensreasoningreasoning_effortrepetition_penaltyresponse_formatstructured_outputstemperaturetool_choicetoolstop_ktop_p
Performance Over Time
Pricing
Per 1M tokens
Input$0.10
Output$0.20
Cache read$0.0020
Added
September 2, 2026
Last synced 9/21/2026