StepFun flash model for efficient multimodal reasoning, coding, and tool use
Details
| Field | Value |
|---|---|
| id | step-3.5-flash-2603 |
| modality | text->text |
| context_length | 256000 |
| max_input_tokens | 256000 |
| max_output_tokens | 256000 |
| knowledge_cutoff | 2025-01 |
| release_date | 2026-04-02 |
| is_open_weights | yes |
| supports_tool_call | yes |
| supports_reasoning | yes |
| supports_structured_output | no |
| supports_attachment | no |
| input_modalities | text |
| output_modalities | text |