claude-sonnet-4-5 vs gpt-5.1
gpt-5.1 is cheaper on output tokens, while gpt-5.1 offers a larger context window. Choose claude-sonnet-4-5 or gpt-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | claude-sonnet-4-5 | gpt-5.1 |
|---|---|---|
| Provider | 302.AI | 302.AI |
| Input / 1M tokens | $3.00 | $1.25 |
| Output / 1M tokens | $15.00 | $10.00 |
| Context window | 200K | 400K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Sep 2025 | Nov 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.