Head to head
GPT-5 nano vs DeepSeek V4 Flash (0731)
On a blended workload of one million input tokens and three million output tokens, DeepSeek V4 Flash (0731) is 1.3× cheaper than GPT-5 nano.
| GPT-5 nano | DeepSeek V4 Flash (0731) | |
|---|---|---|
| Provider | OpenAI | Together AI |
| Input / MTok | $0.05 | $0.14 |
| Output / MTok | $0.4 | $0.28 |
| Cache read / MTok | $0.005 | — |
| Context window | — | 1,000,000 |
| Blended 1M in + 3M out | $1.25 | $0.98 |
| Status | ga | ga |