Claude Sonnet 4 vs GPT-5.2-Pro
Claude Sonnet 4 is cheaper on output tokens, while Claude Sonnet 4 offers a larger context window. Choose Claude Sonnet 4 or GPT-5.2-Pro based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude Sonnet 4 | GPT-5.2-Pro |
|---|---|---|
| Provider | ZenMux | ZenMux |
| Input / 1M tokens | $3.00 | $21.00 |
| Output / 1M tokens | $15.00 | $168.00 |
| Context window | 1M | 400K |
| Parameters | — | — |
| Open weights | No | No |
| Released | May 2025 | Dec 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.