Anthropic: Claude Opus 4.1 vs OpenAI: gpt-oss-120b
OpenAI: gpt-oss-120b is cheaper on output tokens, while Anthropic: Claude Opus 4.1 offers a larger context window. Choose Anthropic: Claude Opus 4.1 or OpenAI: gpt-oss-120b based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Anthropic: Claude Opus 4.1 | OpenAI: gpt-oss-120b |
|---|---|---|
| Provider | Kilo Gateway | Kilo Gateway |
| Input / 1M tokens | $15.00 | $0.04 |
| Output / 1M tokens | $75.00 | $0.19 |
| Context window | 200K | 131K |
| Parameters | — | 117B |
| Open weights | No | Yes |
| 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.