GPT-6.1 Sol scores 69.4 on the Respan Index (#4), ahead of Gemini 3.7 Flash at 48.6 (#26). GPT-6.1 Sol leads on 16 of the 22 benchmarks both report. Gemini 3.7 Flash is 2.7x cheaper per token at list price. GPT-6.1 Sol has the larger context window (1.1M tokens).
* Estimated: no published scores in that category. How the Respan Index works
| Furniture Assembly (Epoch AI) |
| 26.7% |
| 80% |
| GPQA Diamond | 94.8% | 95.4% |
| LiveBench Agentic Coding (LiveBench) | 58.3% | 56.8% |
| LiveBench Coding (LiveBench) | 78.9% | 80.7% |
| LiveBench Data Analysis (LiveBench) | 68% | 82.7% |
| LiveBench Instruction Following (LiveBench) | 79.9% | 74.2% |
| LiveBench Language (LiveBench) | 85.5% | 90.1% |
| LiveBench Mathematics (LiveBench) | 93.5% | 96.8% |
| LiveBench Reasoning (LiveBench) | 87.8% | 92.6% |
| Mystery Game Puzzles (Epoch AI) | 37% | 80% |
| OTIS Mock AIME 2024-2025 (Epoch AI) | 97.2% | 100% |
| SAGE (Vals AI) | 49.2% | 46.5% |
| SimpleQA Verified | 69.2% | 73.9% |
| Terminal-Bench 4.0 (Vals AI) | 12.1% | 55.1% |
| LMArena Agent (LMArena) | -0.0149 | 0.1123 |
| LMArena Elo | 1488 | 1483 |
| LMArena Vision (LMArena) | 1296 | 1291 |
| LMArena WebDev (LMArena) | 1592 | 1758 |
Higher is better. Each score links to where it was published.