GLM-5.2
ECI#39
152GLM-5.2 is an open-weights model from Z.ai (Zhipu AI), released June 16, 2026. It has an ECI score of 152 and ranks 39th of 249 tracked models. At the time of its release, it ranked 19th of 224 tracked models.
GLM-5.2 vs select alternatives
| Domain | Benchmark | GLM-5.2 | |||
|---|---|---|---|---|---|
ECI scoreBest score 166 | 152 | 150 | 151 | 150 | |
| Ranking | #39 | #48 | #42 | #44 | |
| Games | Chess PuzzlesBest score 72% | ||||
Earthborne Rangers (EBR-bench)Best score 76% | |||||
Mystery Game PuzzlesBest score 84% | |||||
| Mathematics | FrontierMath Tiers 1-3 (v2)Best score 94% | ||||
FrontierMath Tier 4 (v2)Best score 98% | |||||
OTIS Mock AIME 2024-2025Best score 100% | |||||
| Science | GPQA DiamondBest score 96% | ||||
| Software engineering | SWE-bench VerifiedBest score 83% | ||||
| World knowledge | SimpleQA VerifiedBest score 76% |
