Dify overview and key facts (October 2026)

Dify is an open-source platform for building AI applications, agentic workflows and retrieval pipelines, maintained by LangGenius. Teams use it in the hosted cloud or run it on their own infrastructure to take prototypes into production.

Dify combines a visual workflow canvas, a RAG pipeline for document ingestion and retrieval, agents with tool use, monitoring and analysis features, and backend APIs for each application. It connects to hundreds of proprietary and open-source language models and to MCP servers. The project is released under the Dify Open Source License, based on Apache 2.0 with additional conditions. On GitHub it had about 157,400 stars and commits on September 28, 2026. Dify Cloud offers a free Sandbox and paid workspace plans.

• Builds AI workflows on a canvasTeams place model calls, tools, conditions and data steps on a visual canvas and test them in place. Business and IT teams can ship an internal AI application, such as a request classifier, without writing a backend from scratch.
• Answers questions from company documentsThe RAG pipeline ingests PDFs, presentations and other formats and retrieves relevant passages before the model answers. Knowledge bases for policies or product documents can be built and updated by the team that owns them.
• Runs agents with toolsAgents can call tools, connect to MCP servers and custom APIs and execute multi-step tasks. This lets teams automate tasks that need lookups in several systems.
• Monitors applications in productionLLMOps features track application behavior and performance over time. Owners see where answers fail and improve prompts or data.

• One of the most-starred open-source AI application platforms on GitHub, with about 157,400 stars in September 2026.
• Self-hosting on cloud, VPC or own servers, plus a free cloud Sandbox.
• Model-agnostic with hundreds of models from dozens of inference providers.

Open-source project used internationally without a documented country focus.

Read the license: the Dify Open Source License adds conditions to Apache 2.0, which matters for multi-tenant or branded use. Self-hosting means your team owns updates, scaling and security. The cloud pricing page does not name data regions, so ask before storing personal data there. SSO is only in the Enterprise edition.

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