Muse Spark 1.3 (xhigh)
Autonomous codebase refactoring, terminal execution, million-token long context retrieval, and agentic workflows.
SWE-bench Verified
75.4%
MMLU-Pro
88.4%
MATH-500
94.8%
Context Window
1,000,000 tokens
| Specification | Value |
|---|---|
| Developer / Lab | Meta AI |
| Parameters Total | Proprietary Multimodal |
| Parameters Active | Dense Reasoner |
| Architecture Type | Dense Multimodal Transformer + Calibrated Verification Heads |
| License | Proprietary Commercial API (Meta Model API) |
| Input Pricing (per 1M) | $1.25 |
| Output Pricing (per 1M) | $5.00 |
Head-to-Head Comparisons with Muse Spark 1.3 (xhigh)
Muse Spark 1.3 (xhigh) vs DeepSeek-V4.1-Flash-1017 →Muse Spark 1.3 (xhigh) vs Perplexity Decider v1.2 →Muse Spark 1.3 (xhigh) vs NVIDIA Nemotron Labs Dory 1.0 →Muse Spark 1.3 (xhigh) vs Gemini 4 Carbon →Muse Spark 1.3 (xhigh) vs Nano Banana 3 Pro →Muse Spark 1.3 (xhigh) vs Claude Opus 5.5 (Canary Checkpoint) →