Mistral Small 3.1 vs GPT OSS 20B
Both have similar output pricing, while GPT OSS 20B offers a larger context window. Choose Mistral Small 3.1 or GPT OSS 20B based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Mistral Small 3.1 | GPT OSS 20B |
|---|---|---|
| Provider | Azure | Neon |
| Input / 1M tokens | $0.10 | $0.07 |
| Output / 1M tokens | $0.30 | $0.30 |
| Context window | 128K | 131K |
| Parameters | — | 21B |
| Open weights | No | Yes |
| Released | Mar 2025 | Aug 2025 |
| GPQA Diamond score | 41.9 | — |
| Epoch Capabilities Index score | 127 | — |
FAQ
Is Mistral Small 3.1 or GPT OSS 20B cheaper?
Mistral Small 3.1 and GPT OSS 20B have comparable output pricing.
Which has the larger context window, Mistral Small 3.1 or GPT OSS 20B?
GPT OSS 20B has the larger context window (131K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.