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 by | StepFun |
|---|---|
| Type | language model |
| Released | May 28, 2026 |
| Reads at once | 262,144 tokens |
| Price (API, per million tokens) | $0.2 in · $1.15 out |
| Input → output | text, 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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