Claude Opus 4.1 (US) vs GPT OSS 20B
GPT OSS 20B is cheaper on output tokens, while Claude Opus 4.1 (US) offers a larger context window. Choose Claude Opus 4.1 (US) or GPT OSS 20B based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude Opus 4.1 (US) | GPT OSS 20B |
|---|---|---|
| Provider | Amazon Bedrock | Neon |
| Input / 1M tokens | $15.00 | $0.07 |
| Output / 1M tokens | $75.00 | $0.30 |
| Context window | 200K | 131K |
| Parameters | — | 21B |
| Open weights | No | Yes |
| Released | Aug 2025 | Aug 2025 |
FAQ
Is Claude Opus 4.1 (US) or GPT OSS 20B cheaper?
GPT OSS 20B is cheaper on output tokens ($0.30 vs $75.00 per 1M).
Which has the larger context window, Claude Opus 4.1 (US) or GPT OSS 20B?
Claude Opus 4.1 (US) has the larger context window (200K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.