Fast DeepSeek model for efficient chat, coding help, and agent loops
Details
| Field | Value |
|---|---|
| id | deepseek-ai/DeepSeek-V4.1-Flash-Fast |
| family | deepseek-flash |
| modality | text+image->text |
| context_length | 1048576 |
| max_output_tokens | 32768 |
| 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 |