Claude Opus 4.1 scores 29.0 on the Respan Index (#67), ahead of Inkling-Small at 28.1 (#69). Inkling-Small leads on 8 of the 10 benchmarks both report. Inkling-Small is 57x cheaper per token at list price. Inkling-Small has the larger context window (1M tokens).
* Estimated: no published scores in that category. How the Respan Index works
| 21% |
| 6% |
| OTIS Mock AIME 2024-2025 (Epoch AI) | 68.9% | 90% |
| SAGE (Vals AI) | 31.4% | 32.7% |
| LMArena Elo | 1450 | 1405 |
| LMArena WebDev (LMArena) | 1389 | 1408 |
| SWE-bench Verified | 74.5% | 80.2% |
Higher is better. Each score links to where it was published.