Z.ai (Zhipu AI)
GLM-5.1Open weights
Released 2026-04-07 · Context 205K · Data snapshot 2026-10-24
Overall score
57.4
Awaiting benchmarks (insufficient coverage)Benchmark coverage
18.2%
4 third-party benchmarks
Context window
205K
tokens
Input price
$1.40
Cache read $0.26
Output price
$4.40
per million tokens
OpenRouter usage
#146
23.7B tokens/day
Prices converted at snapshot-day rate (USD/CNY 6.6702)
Dimension performance
Human preference
66.1
Knowledge
54.5
Above averageBelow averageAnchored at 50 (reference models’ average); every 15 points ≈ one standard deviation
Benchmark details
Reasoning1 items
FrontierMath (Tiers 1-3)36.8
Knowledge2 items
GPQA Diamond89.9
SimpleQA Verified34
Human preference1 items
LMArena Human Blind Vote1465.3593
Multiple reasoning tiers of the same benchmark take the best value; raw scores have different scales and are not comparable across benchmarks.
Score trend
2026-10-202026-10-24
View daily data
| 2026-10-24 | 57.4 |
| 2026-10-23 | 57.4 |
| 2026-10-22 | 57.4 |
| 2026-10-21 | 50.6 |
| 2026-10-20 | 50.7 |