gpt-oss-20b vs gpt-oss-120b
gpt-oss-20b is cheaper on output tokens. Choose gpt-oss-20b or gpt-oss-120b based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | gpt-oss-20b | gpt-oss-120b |
|---|---|---|
| Provider | Weights & Biases | Weights & Biases |
| Input / 1M tokens | $0.05 | $0.15 |
| Output / 1M tokens | $0.20 | $0.60 |
| Context window | 131K | 131K |
| Parameters | 21B | 117B |
| Open weights | No | No |
| Released | Aug 2025 | Aug 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.