Dify

The leading open-source LLM app platform — visual workflows, RAG pipelines, and agents in production.

What is Dify?

Dify is the most-adopted open-source platform for building production LLM applications, with over 100k GitHub stars. Its visual workflow canvas chains LLM calls, knowledge retrieval, code nodes, conditionals, and tools into agents and automation; a built-in RAG pipeline handles document ingestion, chunking, embedding, and hybrid retrieval; and BaaS-style APIs expose every app you build for embedding into products. Model support spans OpenAI, Anthropic, Gemini, and local runtimes — swap providers per node without rebuilding. Teams use the hosted cloud (free sandbox, paid tiers from ~$59/month) or self-host the entire platform for data sovereignty, the option that made Dify a default inside enterprises cautious about LLM data flows. Prompt versioning, observability, annotation feedback, and moderation round out the production story. Where developer-framework alternatives demand code-first assembly, Dify lets mixed teams ship LLM apps from one visual surface.

Key Features

Visual workflow canvas for LLM apps and agents

Built-in RAG: ingestion, chunking, embedding, hybrid retrieval

Agent nodes with tool calling and multi-model routing

Backend-as-a-Service APIs for every built app

Self-hostable open source with enterprise data control

Use Cases

Customer-support chatbots grounded in company docs
Internal AI workflow automation across departments
Prototyping then productionizing LLM features behind APIs
Enterprise RAG with on-premises data requirements

How to Use Dify

1Start on Dify Cloud free or self-host via Docker
2Connect model providers with your API keys
3Build a workflow or agent on the visual canvas
4Publish as a web app or call it via the API

Best For

Teams shipping LLM apps without building infrastructureEnterprises requiring self-hosted AI platformsMixed technical/non-technical AI builder teams

FAQ

Is Dify free?

The open-source platform is free to self-host. Dify Cloud offers a free sandbox with message credits; paid cloud plans start around $59/month for teams.

Dify or LangChain?

LangChain is a code framework for developers; Dify is a full visual platform with RAG, observability, and APIs included. Many teams prototype in Dify where they'd need weeks of LangChain assembly.

Can Dify run fully on-premises?

Yes. Docker-based self-hosting runs the whole platform — workflows, RAG, APIs — inside your network, with models pointed at local runtimes or your own provider keys.

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