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
Context131,072
Tagsreasoning, tool-use, implicit-caching
Overall
Rank #296 across 600
16.5
Coding
No rank
n/a
Blended Price
Rank #99 across 379
$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
Max Output98,304
Streaming speed is not measured for this model yet.
Pricing
Blended$0.372/M
Input$0.170/M
Output$0.980/M
Catalog$0.200/M in / $1.10/M out
Metadata
Modalities
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 16.5 | #296 |
| Artificial Analysis Math Index | math | 80.7 | #62 |
| MMLU-Pro | reasoning | 81.4% | #77 |
| GPQA | reasoning | 73.3% | #235 |
| Humanity's Last Exam |