GLM-4 vs GLM-4.5-Air
Z.ai GLM-4 | Z.ai GLM-4.5-Air | |
|---|---|---|
| Overview | ||
| Company | Z.ai | Z.ai |
| Release date | Jan 16 2024 | Jul 28 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 106B |
| Benchmarks | ||
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | — | 59.8% |
| Timeline | ||
| Release gap | GLM-4 shipped 559 days before GLM-4.5-Air | |
Which is better: GLM-4 or GLM-4.5-Air?
GLM-4 and GLM-4.5-Air don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GLM-4 shipped 559 days before GLM-4.5-Air, so benchmark comparisons should account for the intervening progress.
GLM-4 is proprietary, while GLM-4.5-Air is open weight.
Direct benchmark comparisons are unavailable — GLM-4 and GLM-4.5-Air don't publish scores on any of the same benchmarks.
Frequently asked questions
GLM-4 was released by Z.ai on Jan 16 2024.
GLM-4.5-Air was released by Z.ai on Jul 28 2025.
GLM-4 is a proprietary model released by Z.ai. GLM-4.5-Air is an open weight model released by Z.ai.