GPT OSS 20B vs GLM-4.5
GPT OSS 20B is cheaper on output tokens. Choose GPT OSS 20B or GLM-4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT OSS 20B | GLM-4.5 |
|---|---|---|
| Provider | Impossibl | Impossibl |
| Input / 1M tokens | $0.07 | $0.60 |
| Output / 1M tokens | $0.30 | $2.20 |
| Context window | 131K | 131K |
| Parameters | — | — |
| Open weights | Yes | Yes |
| Released | Aug 2025 | Jul 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.