Meta
Muse Spark Open
Muse Spark Open is an 816B total / 42B active open-weight multimodal reasoning model from Meta for coding and long-horizon agentic work, with 1M-token context.
meta/muse-spark-open
Context
1M
Output
131.1K
Released
2026-10-15
Knowledge cutoff
2026-01-04
Types
Reasoning
Tool use
Structured output
Attachments
Open weights
Provider pricing
- Price
- $1.25 / $4.25
- Context
- 1M
- Status
- Stable
- Price
- $1.25 / $4.25
- Context
- 1M
- Status
- Stable
- Price
- $1.25 / $4.25
- Context
- 1M
- Status
- Stable
- Price
- $1.25 / $4.25
- Context
- 1M
- Status
- Stable
- Price
- $1.25 / $4.25
- Context
- 1M
- Status
- Stable
- Price
- $1.25 / $4.25
- Context
- 1M
- Status
- Stable
Benchmarks
Artificial Analysis Intelligence Index
39 · index score
JobBench
61.8
MCP Atlas
89.2
GDPval-AA
1401 · Elo
OSWorld-Verified
80.4
Toolathlon-Verified
72.8
HLE-Diamond
26.1
AA-Omniscience
25
SciCode
58.5
Humanity's Last Exam
61
GPQA Diamond
89
DeepSWE
60
SWE-Atlas Codebase QnA
58
Terminal-Bench
76.4
ZeroBench
50
BabyVision
80.2
SimpleVQA
73.6
WorldVQA
49.4
IntPhys2
68.3
Video-MME
61.5
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