Qwen3.5 4B is a low-cost multimodal reasoning model with 256K context, image and video input, function tools, and structured output.
Details
| Field | Value |
|---|---|
| id | qwen3-5-4b |
| modality | text+image+video->text |
| context_length | 262144 |
| max_output_tokens | 32768 |
| release_date | 2026-03-02 |
| is_open_weights | yes |
| supports_tool_call | yes |
| supports_reasoning | yes |
| supports_structured_output | yes |
| supports_attachment | yes |
| input_modalities | text, image, video |
| output_modalities | text |