GLM-5 vs GPT-5.1-Codex
GLM-5 is cheaper on output tokens, while GPT-5.1-Codex offers a larger context window. Choose GLM-5 or GPT-5.1-Codex based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GLM-5 | GPT-5.1-Codex |
|---|---|---|
| Provider | Poe | Poe |
| Input / 1M tokens | $1.00 | $1.10 |
| Output / 1M tokens | $3.20 | $9.00 |
| Context window | 205K | 400K |
| Parameters | 744B | — |
| Open weights | No | No |
| Released | Feb 2026 | Nov 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.