Step 3.7 Flash
by Stepfun
Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model. It pairs a 196B-parameter language backbone with a vision encoder for native image and video
Models
Step 3.7 Flash
Added 10 July 2026
Overview
Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model. It pairs a 196B-parameter language backbone with a vision encoder for native image and video understanding, activating roughly 11B parameters...
How to use / API access
Call via OpenRouter with model id `stepfun/step-3.7-flash`.
- openrouter ·
stepfun/step-3.7-flashDocs
OpenRouter id: stepfun/step-3.7-flash
Benchmarks
- Intelligence Index (artificial-analysis): 19.5 index
- Coding Index (artificial-analysis): 39.6 index
- Design Arena 3d (other): 1130 elo · #77
- Design Arena asciiart (other): 1152 elo · #42
- Design Arena codecategories (other): 1183 elo · #64
- Design Arena dataviz (other): 1173 elo · #69
Notes
Step 3.7 Flash is listed in the EDNA Models directory from the OpenRouter catalogue.
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