GPT-5.4 nano vs Claude Sonnet 4.5 (latest)
GPT-5.4 nano is cheaper on output tokens, while GPT-5.4 nano offers a larger context window. Choose GPT-5.4 nano or Claude Sonnet 4.5 (latest) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.4 nano | Claude Sonnet 4.5 (latest) |
|---|---|---|
| Provider | Neon | Neon |
| Input / 1M tokens | $0.20 | $3.00 |
| Output / 1M tokens | $1.25 | $15.00 |
| Context window | 400K | 200K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Mar 2026 | Sep 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.