Step 3.7 Flash

language modelStepFun

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...

Key facts

Made byStepFun
Typelanguage model
ReleasedMay 28, 2026
Reads at once262,144 tokens
Price (API, per million tokens)$0.2 in · $1.15 out
Input → outputtext, image, video → text

Questions about Step 3.7 Flash

Who makes Step 3.7 Flash?

Step 3.7 Flash is made by StepFun.

When was Step 3.7 Flash released?

We first saw Step 3.7 Flash listed on May 28, 2026.

How much does Step 3.7 Flash cost?

Through OpenRouter it costs $0.2 per million input tokens and $1.15 per million output tokens. Prices change, so check the provider before you build on it.

How much text can Step 3.7 Flash read at once?

Up to 262,144 tokens, roughly 196.6K words.

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Modelcast collects this page automatically from public sources (OpenRouter). Facts are copied from those sources, not written by the maker. Not affiliated with StepFun.