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) : 30.3 index
- Coding Index (artificial-analysis) : 39.6 index
- Agentic Index (artificial-analysis) : 21.5 index
- Design Arena 3d (other) : 1186 elo · #54
- Design Arena asciiart (other) : 1205 elo · #21
- Design Arena codecategories (other) : 1203 elo · #52
- Design Arena dataviz (other) : 1196 elo · #53
Notes
Step 3.7 Flash is listed in the EDNA Models directory from the OpenRouter catalogue.
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