Head to head
DeepSeek V4 Pro vs GPT-5.6 Luna
On a blended workload of one million input tokens and three million output tokens, DeepSeek V4 Pro is 1.2× cheaper than GPT-5.6 Luna.
| DeepSeek V4 Pro | GPT-5.6 Luna | |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Input / MTok | $0.435 | $0.2 |
| Output / MTok | $0.87 | $1.2 |
| Cache read / MTok | $0.003625 | $0.02 |
| Context window | 1,000,000 | — |
| Blended 1M in + 3M out | $3.04 | $3.80 |
| Status | ga | ga |