GLM 4.5 Air vs GLM 5
GLM 4.5 Air is cheaper on output tokens, while GLM 5 offers a larger context window. Choose GLM 4.5 Air or GLM 5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GLM 4.5 Air | GLM 5 |
|---|---|---|
| Provider | Cortecs | Cortecs |
| Input / 1M tokens | $0.22 | $1.08 |
| Output / 1M tokens | $1.34 | $3.44 |
| Context window | 131K | 203K |
| Parameters | — | 744B |
| Open weights | Yes | Yes |
| Released | Aug 2025 | Feb 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.