StepFun flash lane for quick multimodal reasoning and coding assistance
Details
| Field | Value |
|---|---|
| id | step-3.5-flash |
| modality | text->text |
| context_length | 256000 |
| max_input_tokens | 256000 |
| max_output_tokens | 256000 |
| quantization | fp8 |
| knowledge_cutoff | 2025-01 |
| release_date | 2026-01-29 |
| is_open_weights | yes |
| supports_tool_call | yes |
| supports_reasoning | yes |
| supports_structured_output | no |
| supports_attachment | no |
| input_modalities | text |
| output_modalities | text |