# Step

> StepFun's open-weights MoE family for multimodal agentic reasoning

- Category: [Foundation Models](https://ailandscape.org/category/foundation-models) › Language Models
- Homepage: https://www.stepfun.com
- Repository: https://github.com/stepfun-ai
- Tags: llm, multimodal, agentic, open-weights, moe
- Also known as: Step-3.7-Flash, Step-3.5-Flash
- Added to the landscape: 2026-10-09

## Similar tools in Language Models

- [Amazon Nova](https://ailandscape.org/tool/amazon-nova): Amazon's multimodal model family served through Bedrock
- [Claude](https://ailandscape.org/tool/claude): Anthropic's model family in Haiku, Sonnet, Opus, and Fable tiers
- [Command](https://ailandscape.org/tool/command): Cohere's RAG and tool-use optimized enterprise model family
- [DeepSeek-V](https://ailandscape.org/tool/deepseek-v): DeepSeek's MIT-licensed MoE family with hybrid reasoning (V4, R1)
- [Falcon](https://ailandscape.org/tool/falcon): TII's open-weights language model family
- [Gemini](https://ailandscape.org/tool/gemini): Google DeepMind's multimodal family with built-in thinking modes
- [Gemma](https://ailandscape.org/tool/gemma): Google's lightweight open-weights model family
- [GLM](https://ailandscape.org/tool/glm): Z.ai's open-weights MoE family for agentic coding and reasoning

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Part of [AI Landscape](https://ailandscape.org), an open map of the AI ecosystem. Web page: https://ailandscape.org/tool/step · Index for AI assistants: https://ailandscape.org/llms.txt