Z AI
GLM-4.5-Air
GLM-4.5 and GLM-4.5-Air are our latest flagship models, purpose-built as foundational models for agent-oriented applications. Both leverage a Mixture-of-Experts (MoE) architecture. GLM-4.5 has a total parameter count of 355B with 32B active parameters per forward pass, while GLM-4.5-Air adopts a more streamlined design with 106B total parameters and 12B active parameters.
Z AI releasesModel Snapshot
TypeLanguage
ReleaseJul 28, 2025
Context128,000
Tagsreasoning, tool-use, implicit-caching
Overall
Rank #214 across 526
23.2
Coding
Rank #182 across 436
23.8
Blended Price
Rank #117 across 357
$0.372/M
Strength Profile
Percentile score by analysis domain.
* Cost is inverted: lower input, output, and blended prices rank higher.
Benchmark Percentiles
Higher bars mean stronger relative placement.
Model Details
Runtime
Output Speed74.5 tok/s
First Token1.86s
Max Output96,000
Pricing
Blended$0.372/M
Input$0.170/M
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 23.2 | #214 |
| Artificial Analysis Coding Index | coding | 23.8 | #182 |
| Artificial Analysis Math Index | math | 80.7 | #62 |
| MMLU-Pro | reasoning | 81.5% | #85 |