Step 3.7 Flash
by Kilo Gateway · listed May 2026RTVW
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...
Current rates USD per 1M tokens
Input$0.20
Output$1.15
Cache read$0.04
Cache write—
Against the market
On the record
- Model id
stepfun/step-3.7-flash- Context window
- 256K tokens
- Max output
- 256K tokens
- Input modalities
- text, image, video
- Output modalities
- text
- Reasoning
- yes
- Tool calls
- yes
- Open weights
- yes
- Knowledge cutoff
- Mar 2026
- Released
- 2026-05-29
- Last updated
- 2026-05-29
- Provider docs
- kilo.ai
Back of the envelope
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