GPT-6.1 Sol scores 69.4 on the Respan Index (#4), ahead of DeepSeek V4 Flash at 43.3 (#37). GPT-6.1 Sol leads on 18 of the 18 benchmarks both report. GPT-6.1 Sol has the larger context window (1.1M tokens).
* Estimated: no published scores in that category. How the Respan Index works
| LiveBench Agentic Coding (LiveBench) |
| 46.8% |
| 56.8% |
| LiveBench Coding (LiveBench) | 75% | 80.7% |
| LiveBench Data Analysis (LiveBench) | 79.3% | 82.7% |
| LiveBench Instruction Following (LiveBench) | 65.5% | 74.2% |
| LiveBench Language (LiveBench) | 79.2% | 90.1% |
| LiveBench Mathematics (LiveBench) | 86.8% | 96.8% |
| LiveBench Reasoning (LiveBench) | 86.6% | 92.6% |
| Mystery Game Puzzles (Epoch AI) | 34% | 80% |
| OTIS Mock AIME 2024-2025 (Epoch AI) | 94.4% | 100% |
| SimpleQA Verified | 33.6% | 73.9% |
| Terminal-Bench 4.0 (Vals AI) | 18.7% | 55.1% |
| LMArena Elo | 1436 | 1483 |
| LMArena WebDev (LMArena) | 1581 | 1758 |
| SimpleBench (SimpleBench) | 61.1% | 82.9% |
Higher is better. Each score links to where it was published.