Key features
Core capabilities each platform advertises.
- Open-source visual LLM workflow builder
- Drag-and-drop node interface
- LangChain integration
- Custom components
- Self-hosted deployment
Data not available
Updated March 10, 2026
Flowise is an open-source drag-and-drop UI for building LLM flows and AI agents. Built on top of LangChain, it lets users visually connect LLMs, prompts, tools, memory, and vector stores into working applications without writing code. Flowise can be self-hosted and is popular with teams that want the power of LangChain with a visual interface.
Stack AI is a no-code platform for building AI workflows and applications. It provides a visual drag-and-drop interface for creating RAG pipelines, chatbots, document processing workflows, and AI agents. Stack AI connects to enterprise data sources and deploys as APIs or embeddable widgets.
Core capabilities each platform advertises.
What each tool does well, and the limitations to keep in mind.
Pros
Cons
Pros
Cons
Choose Flowise if you wantChoose if you want
Choose Stack AI if you wantChoose if you want
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