GLM-5.1 vs GLM-5.2
GLM-5.2 is cheaper on output tokens, while GLM-5.2 offers a larger context window. Choose GLM-5.1 or GLM-5.2 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GLM-5.1 | GLM-5.2 |
|---|---|---|
| Provider | Zhipu AI | Zhipu AI |
| Input / 1M tokens | $6.00 | $1.40 |
| Output / 1M tokens | $24.00 | $4.40 |
| Context window | 200K | 1M |
| Parameters | 754B | — |
| Open weights | No | No |
| Released | Mar 2026 | Jun 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.