GPT-5.4 vs gpt-oss-20b
gpt-oss-20b is cheaper on output tokens, while GPT-5.4 offers a larger context window. Choose GPT-5.4 or gpt-oss-20b based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.4 | gpt-oss-20b |
|---|---|---|
| Provider | Amazon Bedrock | Amazon Bedrock |
| Input / 1M tokens | $2.75 | $0.07 |
| Output / 1M tokens | $16.50 | $0.30 |
| Context window | 272K | 128K |
| Parameters | — | 21B |
| Open weights | No | No |
| Released | Mar 2026 | Aug 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.