GLM-5 vs Claude Opus 4.1
GLM-5 is cheaper on output tokens, while GLM-5 offers a larger context window. Choose GLM-5 or Claude Opus 4.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GLM-5 | Claude Opus 4.1 |
|---|---|---|
| Provider | FastRouter | FastRouter |
| Input / 1M tokens | $0.95 | $15.00 |
| Output / 1M tokens | $3.15 | $75.00 |
| Context window | 205K | 200K |
| Parameters | 744B | — |
| Open weights | Yes | No |
| Released | Feb 2026 | Aug 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.