GPT-6.1 Sol vs Muse Spark 1.3 (xhigh)
A direct, empirical evaluation of GPT-6.1 Sol (OpenAI) against Muse Spark 1.3 (xhigh) (Meta AI).
GPT-6.1 Sol
Developed by OpenAI · Proprietary Frontier Workhorse Engine parameters
Near-Astra reasoning at 1/5th price ($1.25/$5.00), SWE-bench Verified 74.8%, OSWorld 2.0 desktop agent automation, and sub-80ms Ultrafast Mode.
Muse Spark 1.3 (xhigh)
Developed by Meta AI · Proprietary Multimodal parameters
Autonomous codebase refactoring, terminal execution, million-token long context retrieval, and agentic workflows.
| Metric | GPT-6.1 Sol | Muse Spark 1.3 (xhigh) |
|---|---|---|
| SWE-bench Verified | 74.8% | 75.4% |
| MMLU-Pro | 92.4% | 88.4% |
| MATH-500 | 96.2% | 94.8% |
| Context Window | 1,000,000 tokens | 1,000,000 tokens |
| Input Pricing (per 1M) | $1.25 | $1.25 |
| Output Pricing (per 1M) | $5.00 | $5.00 |