Z.ai: GLM 4.5 vs Z.ai: GLM 5.2
Z.ai: GLM 4.5 is cheaper on output tokens, while Z.ai: GLM 5.2 offers a larger context window. Choose Z.ai: GLM 4.5 or Z.ai: GLM 5.2 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Z.ai: GLM 4.5 | Z.ai: GLM 5.2 |
|---|---|---|
| Provider | Z.ai | Z.ai |
| Input / 1M tokens | $0.60 | $0.95 |
| Output / 1M tokens | $2.20 | $3.00 |
| Context window | 131K | 1M |
| Parameters | 355B | — |
| Open weights | Yes | — |
| Released | Aug 2025 | — |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.