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Attribute

Meta

Muse Spark Open
balanced
Overview
CompanyMeta
Version—
Tierbalanced
Released2026-10-15
Open weightsYes
Parameters822B (42B active)
StatusActive
Pricing (USD per 1M tokens)
Input$1.25
Output$4.25
Cached input$0.15
Batch input—
Batch output—
Blended (3 in : 1 out)$2.00
Est. cost per token$0.000002
Capacity
Context window1.05M
Max output944K
Inputsaudio, file, image, text, video
Features
CachingYes
JSON schemaYes
ReasoningYes
ToolsYes
Task fit (heuristic, 1–5)
coding4 / 5
reasoning4 / 5
math4 / 5
summarization4 / 5
extraction4 / 5
classification4 / 5
chat4 / 5
creative4 / 5
translation4 / 5
vision4 / 5
long context5 / 5
agentic4 / 5

Prices are USD per 1M tokens from vendor price lists. “—” means the vendor does not publish it.