GPT-5.1 Codex mini vs GLM-5
GPT-5.1 Codex mini is cheaper on output tokens, while GPT-5.1 Codex mini offers a larger context window. Choose GPT-5.1 Codex mini or GLM-5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.1 Codex mini | GLM-5 |
|---|---|---|
| Provider | Impossibl | Impossibl |
| Input / 1M tokens | $0.25 | $1.00 |
| Output / 1M tokens | $2.00 | $3.20 |
| Context window | 400K | 205K |
| Parameters | — | — |
| Open weights | No | Yes |
| Released | Nov 2025 | Feb 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.