GPT-5.6 SolvsMuse Spark 1.1
GPT-5.6 Sol leads the overall Podium Score by 10.9 points (80.8 vs 69.9).Category wins: GPT-5.6 Sol 3 — 1 Muse Spark 1.1.Muse Spark 1.1 is the cheaper pick ($4.25/M vs $30/M per 1M output tokens). Muse Spark 1.1 is faster (208 t/s vs 72 t/s).
Key VerdictAggregated 2026 Benchmark Analysis
GPT-5.6 Sol is rated higher overall with a Podium Score of 80.8 (vs 69.9 for Muse Spark 1.1). In head-to-head domain evaluations, GPT-5.6 Sol outperforms in 3 of 7 benchmark categories.
Coding & Engineering
GPT-5.6 Sol (64.8)
Inference Speed
Muse Spark 1.1 (208 t/s)
Cost Efficiency
Muse Spark 1.1 ($4.25/M/M)
| Metric | GPT-5.6 Sol | Muse Spark 1.1 |
|---|---|---|
| Podium Score | 80.8 ▲ | 69.9 |
| Arena Elo | 1483 | 1490 ▲ |
| Intelligence Index | 59.0 ▲ | 51.0 |
| Coding | 64.8 ▲ | 64.4 |
| Math | 70.7 | — |
| Reasoning | 87.6 ▲ | 62.7 |
| Agentic | 33.9 | — |
| Knowledge | 22.0 | 28.1 ▲ |
| Multimodal | 97.4 | — |
| Long-context | 100.0 ▲ | 99.2 |
| Output speed | 72 t/s | 208 t/s ▲ |
| Output price | $30/M | $4.25/M ▲ |
| Context window | 1100K ▲ | 1000K |
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: GPT-5.6 Sol vs Claude Mythos · GPT-5.6 Sol vs Claude Fable 5 · GPT-5.6 Sol vs Kimi K3 · GPT-5.6 Sol vs Claude Opus 5