Model · Multimodal language model
Step 3.7 Flash
StepFun's 198-billion-parameter multimodal flagship with a vision encoder for native image and video understanding, published as Apache-declared open weights with a managed API.
- Developer
- StepFun
- Distribution
- Downloadable weights · Developer API
- Artifact licensing
- Open-licensed artifacts
- License scope
- Reviewed release artifacts and mandatory terms; not an assessment of training code or training data openness.
- Licenses
- Apache License 2.0
- Boundary
- This record represents the May 2026 Step-3.7-Flash release at Hugging Face commit 5f6244077ac62e04eec3f320501ff8c2b293373a (last modified 2026-06-03), a distinct multimodal line rather than a 3.5 snapshot, together with the step-3.7-flash API model. The 3.5 generation, later StepFun lines, and community quantizations remain separate boundaries.
Risk statements
Not yet examined.
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