L Models Long context
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Step 3.5 Flash 2603
by Stepfun Ai
StepFun flash model for efficient multimodal reasoning, coding, and tool use
S3
Models
Step 3.5 Flash 2603
Added 13 July 2026
#stepfun-ai
#reasoning
Overview
StepFun flash model for efficient multimodal reasoning, coding, and tool use
How to use / API access
Call via other with model id `stepfun-ai/step-3.5-flash-2603`.
- other ·
stepfun-ai/step-3.5-flash-2603
Benchmarks
- Intelligence Index (artificial-analysis) : 26 index
Notes
Step 3.5 Flash 2603 is listed in the EDNA Models directory, sourced from models.dev.
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