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A side-by-side comparison of DeepSeek V4.1 Flash 1017 and DeepSeek V4 Flash (0731), using the lowest price and highest limits found across every provider that offers each model.
| DeepSeek V4.1 Flash 1017 | DeepSeek V4 Flash (0731) | |
|---|---|---|
| Providers | 59 | 55 |
| Cheapest input ($/M) | $0 via UnoRouter | $0.0171 via Naga |
| Cheapest output ($/M) | $0 via UnoRouter | $0.0576 via UnoRouter |
| Max context | 1.1M | 1M |
| Max output | 1M | 1M |
| Released | Oct 5, 2026 | Apr 23, 2026 |
| Open weights | Yes | Yes |
| Features | ReasoningToolsStructured outputFilesTemperature | ReasoningToolsStructured outputTemperature |
| Input modalities | ImageText | Text |
| Output modalities | Text | Text |