gpt-oss-20b vs GLM 5
gpt-oss-20b is cheaper on output tokens, while GLM 5 offers a larger context window. Choose gpt-oss-20b or GLM 5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | gpt-oss-20b | GLM 5 |
|---|---|---|
| Provider | Weights & Biases | Weights & Biases |
| Input / 1M tokens | $0.05 | $1.00 |
| Output / 1M tokens | $0.20 | $3.20 |
| Context window | 131K | 200K |
| Parameters | 21B | 744B |
| Open weights | No | Yes |
| Released | Aug 2025 | Feb 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.