DeepSeek V4 Flash 0731 Fast vs GPT-5.4
DeepSeek V4 Flash 0731 Fast is cheaper on output tokens, while GPT-5.4 offers a larger context window. Choose DeepSeek V4 Flash 0731 Fast or GPT-5.4 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | DeepSeek V4 Flash 0731 Fast | GPT-5.4 |
|---|---|---|
| Provider | AIHubMix | AIHubMix |
| Input / 1M tokens | $0.28 | $2.50 |
| Output / 1M tokens | $1.40 | $15.00 |
| Context window | 1M | 1.1M |
| Parameters | — | — |
| Open weights | Yes | No |
| Released | Jul 2026 | Mar 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.