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Muse Spark Open

muse-spark-open

Meta's open-weight model for coding and long-horizon agentic work. Built with Muse Spark Open.

Intelligence
38.9
Context
1.04M
Added
2026-10-26
Inputs
Vision

Providers

Fireworks AI primary

accounts/fireworks/models/muse-spark-open

Uptime 98.2%
Input / 1M
$1.25
Output / 1M
$4.25
TTFT
3.26s
Output rate
53.9 tok/s
131,072 max output cache $0.15 read / $1.25 write per 1M ZDR Training No Provider terms
Prompt caching Automatic
Together AI failover 1

meta-models/Muse-Spark-Open-816B-A42B

Uptime 100.0%
Input / 1M
$1.25
Output / 1M
$4.25
TTFT
0.39s
Output rate
314.9 tok/s
131,072 max output cache $0.15 read / $1.25 write per 1M ZDR Training No Provider terms
Prompt caching Automatic