GLM-5.2 vs Claude Sonnet 4.5
GLM-5.2 is cheaper on output tokens, while GLM-5.2 offers a larger context window. Choose GLM-5.2 or Claude Sonnet 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GLM-5.2 | Claude Sonnet 4.5 |
|---|---|---|
| Provider | Merge Gateway | Merge Gateway |
| Input / 1M tokens | $1.40 | $3.00 |
| Output / 1M tokens | $4.40 | $15.00 |
| Context window | 1M | 200K |
| Parameters | — | — |
| Open weights | Yes | No |
| Released | Jun 2026 | Sep 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.