# Step (StepFun)

Step-3.7-Flash open multimodal model with FP8, NVFP4 and GGUF builds. Step (StepFun) is free, with no paid plan attached, at huggingface.co.

## Facts

- **Pricing tier:** Free
- **Works on:** Self-hosted, Web
- **Works in browser:** Yes

## Capabilities

- Step-3.7-Flash open multimodal model with FP8, NVFP4 and GGUF builds
- Step-3.5-Flash text model widely run locally
- 51 open models incl. audio and image models

## FAQ

### What is Step (StepFun)?

Step (StepFun) is listed under Notable Open Models, in the AI Models & Local Execution category on Flocci AI Tools. Step-3.7-Flash open multimodal model with FP8, NVFP4 and GGUF builds. It is free, with no paid plan attached, and it lives at huggingface.co.

### Is Step (StepFun) free?

Step (StepFun) is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 397 entries on Flocci AI Tools with no upgrade path built in.

### Can I use Step (StepFun) in a browser, or is there an app?

Step (StepFun) works in a normal browser tab with no install. It is available on self-hosting and the web.

### What can Step (StepFun) do?

Step (StepFun) does 3 things the catalog singles out: Step-3.7-flash open multimodal model with fp8, nvfp4 and gguf builds; step-3.5-flash text model widely run locally; 51 open models incl. audio and image models.

### What is the best free alternative to Step (StepFun)?

DeepSeek Models is the closest free alternative: it sits in the same Notable Open Models sub-category and is free. ERNIE 4.5 Open Models (Baidu), Falcon (TII) and Hunyuan (Tencent) also start free. The full list is on the alternatives page.

## Related

- [Step (StepFun) alternatives](https://aitools.flocci.in/alternatives/step-stepfun)
- [Notable Open Models](https://aitools.flocci.in/category/ai-models-local-execution/notable-open-models)
- [Best free open-weight AI models](https://aitools.flocci.in/best/best-notable-open-models)
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Source: Flocci AI Tools — https://aitools.flocci.in/tool/step-stepfun

Facts last verified: October 2026