Meta
Muse Spark 1.3
Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows. It improves long-horizon agent collaboration, instruction following, and coding efficiency relative to Muse Spark 1.2.
meta/muse-spark-1.3
Context
1M
Output
131.1K
Released
2026-09-02
Knowledge cutoff
—
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
- Price
- $1.25 / $4.25
- Context
- 1M
- Status
- Stable
- Price
- $1.72 / $5.85
- Context
- 1M
- Status
- Stable
Benchmarks
GDPval-AA
1754 · Elo
JobBench
64.9 · mean rubric score
OSWorld
66.9 · mean partial score
OSWorld
32 · binary completion rate
DeepSearchQA
90.3 · F1
Agentic IF Index
57.8 · score
AutomationBench
49.6 · pass@1
MRCR
98.5 · mean sequence-match ratio
MRCR
98.1 · mean sequence-match ratio
DeepSWE
75.4 · pass@1
SWE-Atlas Codebase QnA
59.4 · pass@1
Terminal-Bench
88.8 · pass@1
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