Step Flash by StepFun

Model family · Model APIs & inference · indexed, not reviewed

on OpenRouter

Not reviewed

No score, grade or rank. This listing is facts from OpenRouter and our own checks, and it stays out of the rankings until the panel reviews it.

How the index works

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...
What OpenRouter says about Step 3.7 Flash

Facts

Maker: StepFun
Models: 2 on OpenRouter
Newest: stepfun/step-3.7-flash

From OpenRouter and our own checks. JSON · Markdown

Why it's listed

OpenRouter lists it, with prices from the providers that serve it.

Being indexed says nothing about quality, and nobody can pay for it. Is this yours? Ask for a review.

Models 2

Model	Released	Context	Input / 1M	Output / 1M	Supports
Step 3.7 Flash `stepfun/step-3.7-flash`	May 2026	262k	$0.20	$1.15	tools, structured output, reasoning, caching, image, video
Step 3.5 Flash `stepfun/step-3.5-flash`	Jan 2026	262k	$0.10	$0.30	tools, reasoning

Prices and limits as OpenRouter lists them, in dollars per million tokens; a provider's own price can differ.

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