DeepSeek-V4-Flash vs GPT-5.5
DeepSeek-V4-Flash is about 64.3× cheaper than GPT-5.5 on blended token cost ($0.175 vs $11.25 per 1M).
| Spec | DeepSeek-V4-Flash | GPT-5.5 |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Status | Preview | GA |
| Input $/1M | $0.14 ◎ | $5 |
| Output $/1M | $0.28 ◎ | $30 |
| Blended $/1M | $0.175 ◎ | $11.25 |
| Context | 1M | 1.1M ◎ |
| Max output | 384K | 128K |
| Cutoff | — | 2025-12-01 |
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