GPT-5.6 Sol vs Muse Wonder
| Spec | GPT-5.6 Sol | Muse Wonder |
|---|---|---|
| Respan Index | 61.8 (#13) | 61.5 (#14) |
| Blended price per 1M | $4 | $8 |
| Context window | 1.1M | 1.0M |
| Input / output per 1M | $2 / $10 | $4 / $20 |
| Max output | 128K | - |
| Input | text, vision | text, vision, video, audio |
| Released | 2026-07-09 | 2026-10-12 |
Respan Index by category
Each category is scored 0 to 100, and how far ahead the winner is. Leads under a point are close to even.
| Category | GPT-5.6 Sol | Muse Wonder |
|---|---|---|
| Coding | 41.3 GPT-5.6 Sol | 48.7 Muse Wonder |
| Agents | 68.0 GPT-5.6 Sol | 66.8 Muse Wonder |
| Reasoning | 76.0 GPT-5.6 Sol | 72.8 Muse Wonder |
| Knowledge & language | 69.5 GPT-5.6 Sol | 57.9 Muse Wonder |
| Human preference | 56.5 GPT-5.6 Sol | 57.5 Muse Wonder |
Benchmarks both report
GPT-5.6 Sol leads on 11 of the 21 benchmarks both report. Higher is better. Each score links to where it was published.
| Benchmark | GPT-5.6 Sol | Muse Wonder |
|---|---|---|
| LMArena Agent (LMArena) | 0.0479 | 0.0314 |
| LMArena Elo | 1485 | 1507 |
| LMArena WebDev (LMArena) | 1616 | 1652 |
| APEX-Agents (Mercor) | 51.4% | 66.1% |
| EBR-bench (Epoch AI) | 44.8% | 31.4% |
| FrontierMath Tier 4 v2 (Epoch AI) | 82.9% | 70.7% |
| FrontierMath Tiers 1-3 v2 (Epoch AI) | 89.1% | 82.1% |
| Furniture Assembly (Epoch AI) | 56.7% | 54.2% |
| LiveBench Agentic Coding (LiveBench) | 56.2% | 62.7% |
| LiveBench Coding (LiveBench) | 83.9% | 80.7% |
| LiveBench Data Analysis (LiveBench) | 79.8% | 81.6% |
| LiveBench Instruction Following (LiveBench) | 71.8% | 73% |
| LiveBench Language (LiveBench) | 87.7% | 82.9% |
| LiveBench Mathematics (LiveBench) | 96.2% | 96.5% |
| LiveBench Reasoning (LiveBench) | 91.7% | 90.6% |
| MirrorCode (Epoch AI) | 20% | 45.6% |
| Mystery Game Puzzles (Epoch AI) | 58% | 51% |
| OTIS Mock AIME 2024-2025 (Epoch AI) | 100% | 99.4% |
| Terminal-Bench 4.0 (Vals AI) | 37.9% | 49.5% |
| Vending-Bench 2 (Andon Labs) | 9619.37 | 9432.18 |
| DeepSWE v1.1 | 72.7% | 78.8% |
FAQ
Is GPT-5.6 Sol better than Muse Wonder?
GPT-5.6 Sol scores 61.8 on the Respan Index (#13), ahead of Muse Wonder at 61.5 (#14). GPT-5.6 Sol leads on 11 of the 21 benchmarks both report.
Which is cheaper, GPT-5.6 Sol or Muse Wonder?
GPT-5.6 Sol lists at $2 input and $10 output per 1M tokens; Muse Wonder at $4 and $20. GPT-5.6 Sol is 2.0x cheaper per token at list price.
Which has the larger context window?
GPT-5.6 Sol accepts 1.1M tokens and Muse Wonder 1.0M tokens.