Meta
Muse Spark 1.2
Muse Spark 1.2 is a coding-focused update to Muse Spark 1.1 with improvements in code generation, complex debugging, codebase understanding, and end-to-end developer workflows.
meta/muse-spark-1.2
Context
1M
Output
131.1K
Released
2026-08-05
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
- $1.25 / $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
1615 · Elo
JobBench
61.6 · mean rubric score
OSWorld
47.6 · mean partial score
OSWorld
17.9 · binary completion rate
DeepSearchQA
85.9 · F1
Agentic IF Index
46.2 · score
AutomationBench
38.2 · pass@1
MRCR
66.3 · mean sequence-match ratio
MRCR
55.5 · mean sequence-match ratio
DeepSWE
55 · pass@1
SWE-Atlas Codebase QnA
46.2 · pass@1
Terminal-Bench
82.9 · pass@1
DeepSWE
59.3 · pass@1
MCP Atlas
90.3 · pass rate
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