DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the cost-efficient tier of the V4.1 family. DeepSeek reports that it exceeds V4 Pro on performance, speed, and task...
Details
| Field | Value |
|---|---|
| id | deepseek/deepseek-v4.1-flash |
| family | deepseek-flash |
| modality | text+image->text |
| context_length | 1048576 |
| max_output_tokens | 393216 |
| knowledge_cutoff | 2025-05 |
| release_date | 2026-09-10 |
| is_open_weights | yes |
| supports_tool_call | yes |
| supports_reasoning | yes |
| supports_structured_output | yes |
| supports_attachment | yes |
| input_modalities | text, image |
| output_modalities | text |