GLM-5.1 and Kimi K2.6 tie on the Respan Index at 34.4. Kimi K2.6 leads on 8 of the 11 benchmarks both report. Kimi K2.6 is 1.3x cheaper per token at list price. Kimi K2.6 has the larger context window (262K tokens).
* Estimated: no published scores in that category. How the Respan Index works
| 34.9% |
| SWE-bench Verified (Epoch AI) | 74.2% | 76.7% |
| Vending-Bench 2 (Andon Labs) | 5634.41 | 6204.57 |
| WeirdML (Håvard Tveit Ihle) | 57.1% | 55.9% |
| LMArena Elo | 1462 | 1455 |
| LMArena WebDev (LMArena) | 1509 | 1509 |
| AIME 2026 | 95.8% | 95.8% |
Higher is better. Each score links to where it was published.