Langflow
Open sourceFree · open source
Builds AI agents visually with nodes.
What sets it apart: No-code agent design; when done, you publish it as an API.
For: Teams with technical skills who want to build their own agent.
AI Guide · Free Alternatives
Setup with usWe can set up the open-source option for youServer, updates and security maintenance included. The guide stays free.CategoryAll Customer Communication tools
Dify Alternatives: Free and Open-Source Options
Dify: a limited free tier; full use is paid. The 2 options below are free to start or open source; for each one, what you gain and what you lose is written from its official sources.
Output quality is not compared here. The differences come from each tool's own pages: setup, hardware, license, free limits, commercial use. To see which one suits you, try both on the same task. How tools are selected
Side by side
| Difypaid | Langflow | n8n | |
|---|---|---|---|
| Access | Free tier | Open source | Free |
| Where it runs | On your own computer or server | On your own computer or server | On your own computer or server |
| Free limit | Cloud Sandbox: 200 message credits, 5 apps, 1 user; the Community edition is free on your own server | The software is free | Free; no limit stated |
| Price | Professional: $59 per workspace/month (billed monthly) | Free | The Community edition is free on your own server. Cloud Starter: €20/month (billed annually), 2,500 executions |
| Info as of | Oct 1, 2026 | Oct 1, 2026 | Oct 1, 2026 |
— : not checked. Details are in the cards below.
Alternatives and how they differ
Difference: Open-source agent and workflow builder; free on your own server. A critical security vulnerability was fixed in 1.10.3 on September 28, 2026; keep it up to date.
Best for: Technical teams that want to self-host instead of using Dify Cloud
Difference: Builds agent and automation workflows; the Community edition is free on your own server (Sustainable Use License).
Best for: People who want to connect an assistant to other apps
n8n
Open sourceFreeConnects apps and automates work; also builds AI agents.
What sets it apart: Free and unlimited if you self-host it; hundreds of ready integrations.
For: Businesses that want to automate repetitive tasks.
Dify (paid)
Dify
Open sourceFree + paid
Builds AI assistants and workflows that answer from your own documents.
What sets it apart: Upload your documents and get an assistant you can embed on your site.
For: Businesses that want a chatbot that answers from their documents.