GLM-5.3-Flash scores 40.4 on the Respan Index (#47), ahead of Gemini 3 Flash Preview at 38.6 (#49). Gemini 3 Flash Preview leads on 5 of the 9 benchmarks both report. Gemini 3 Flash Preview has the larger context window (1.0M tokens).
* Estimated: no published scores in that category. How the Respan Index works
| Mystery Game Puzzles (Epoch AI) |
| 26% |
| 8% |
| OTIS Mock AIME 2024-2025 (Epoch AI) | 95.6% | 93.9% |
| LMArena Elo | 1473 | 1472 |
| LMArena Vision (LMArena) | 1273 | 1278 |
| LMArena WebDev (LMArena) | 1439 | 1616 |
Higher is better. Each score links to where it was published.