GLM-5.3
ECI#29
157GLM-5.3 is an open-weights model from Z.ai (Zhipu AI), released August 14, 2026. It has an ECI score of 157 and ranks 29th of 237 tracked models. At the time of its release, it ranked 16th of 215 tracked models.
GLM-5.3 vs select alternatives
| Domain | Benchmark | GLM-5.3 | |||
|---|---|---|---|---|---|
ECI scoreBest score 169 | 157 | 153 | 157 | 157 | |
| Ranking | #29 | #51 | #30 | #31 | |
| Agent | Vending-Bench 2Best score $16,484 | $8,164 | $8,314 | $4,095 | $6,378 |
| Games | Chess PuzzlesBest score 76% | ||||
Mystery Game PuzzlesBest score 84% | |||||
| Mathematics | FrontierMath Tiers 1-3 (v2)Best score 94% | ||||
FrontierMath Tier 4 (v2)Best score 100% | |||||
OTIS Mock AIME 2024-2025Best score 100% | |||||
| Science | GPQA DiamondBest score 96% | ||||
| Software engineering | Text Arena (Coding)Best score 1820 | 1614 | 1593 | 1519 | 1537 |
| World knowledge | SimpleQA VerifiedBest score 76% |
