--- title: "AutoGen vs Langflow: Which is Better in 2026? | App Stack Builder" description: "AutoGen vs Langflow compared for 2026 — pricing, free tiers, features, pros & cons. See which agent framework tool is the better fit for your startup." source: https://appstackbuilder.com/compare/autogen-vs-langflow retrieved: 2026-10-29 --- ![](https://www.google.com/s2/favicons?domain=microsoft.github.io&sz=128) vs ![](https://appstackbuilder.com/logos/langflow.ico) # AutoGen vs Langflow: Which is Better in 2026? Agent Framework Choosing between [AutoGen](https://appstackbuilder.com/tools/autogen) and [Langflow](https://appstackbuilder.com/tools/langflow)? Both are popular agent framework tools. Below we compare them on pricing, free tiers, features, and pros & cons so you can pick the right fit for your stack. AutoGen is for: Teams that already run AutoGen and need to maintain it while they plan a move to Microsoft Agent Framework. Langflow is for: Teams who want to build and test agent and RAG flows visually, then serve them as APIs or MCP servers. Quick verdict There’s no single winner; pick on your constraint. Choose AutoGen if you already run AutoGen in production and need it to keep working while you migrate. Choose Langflow if you want to prototype agent or RAG flows visually before writing code. ## AutoGen vs Langflow — Side by Side | | AutoGen | Langflow | | --------------------- | ----------------------------------------------------------- | -------------------------------------------------------------- | | Category | Agent Framework | Agent Framework | | What it is | Code library: multi-agent conversation framework | Visual builder for agent and RAG flows | | Languages | Python, .NET | Visual editor; Python components | | Licence | MIT (code) | MIT | | Managed / paid option | None | Self-host or Langflow Desktop | | Project status | Maintenance mode; successor is Microsoft Agent Framework | Active; 1.x | | Pricing | Free | Free | | Starting price | Free tier available | Free tier available | | Free tier | ✓ | ✓ | | Rating | 4.4 | 3.9 | | Best for | Agent Framework — existing AutoGen projects, migration path | Agent Framework — visual builder, RAG prototyping, MCP servers | ## Pros & Cons ![](https://www.google.com/s2/favicons?domain=microsoft.github.io&sz=128) [AutoGen](https://appstackbuilder.com/tools/autogen) * ✓Backed by Microsoft Research * ✓Strong multi-agent conversation model * ✓Completely free * ✓Active development * ✗APIs have shifted between versions * ✗Python-centric ![](https://appstackbuilder.com/logos/langflow.ico) [Langflow](https://appstackbuilder.com/tools/langflow) * ✓Fastest way to prototype a chain visually * ✓Exports to code rather than trapping you * ✓Free and self-hostable * ✗Visual editing gets unwieldy past a certain size * ✗Versioning a flow is harder than versioning code ## Key Features Compared ### AutoGen * ✓Multi-agent conversations and group-chat orchestration * ✓Python and .NET libraries * ✓In maintenance mode: bug fixes, security patches and docs only, community-managed * ✓Microsoft Agent Framework 1.0 (April 2026) is the successor, with a migration guide * ✓AG2 is a separate community fork led by AutoGen’s original creators ### Langflow * ✓Drag-and-drop builder for agents and RAG flows * ✓Flows served as APIs, and exposable as MCP servers * ✓Works as an MCP client as well * ✓Self-host it, or run Langflow Desktop locally * ✓Owned by IBM through its DataStax acquisition * ✓MIT licence ### Choose AutoGen if… * ✓You already run AutoGen in production and need it to keep working while you migrate. * ✓You’re studying multi-agent conversation patterns from the original research project. [AutoGen review & pricing ](https://appstackbuilder.com/tools/autogen) ### Choose Langflow if… * ✓You want to prototype agent or RAG flows visually before writing code. * ✓Non-developers on your team need to edit flows. * ✓You want flows exposed as APIs or MCP servers without extra code. [Langflow review & pricing ](https://appstackbuilder.com/tools/langflow) ## Frequently Asked Questions Is AutoGen better than Langflow?⌄ There’s no single winner; pick on your constraint. Choose AutoGen if you already run AutoGen in production and need it to keep working while you migrate. Choose Langflow if you want to prototype agent or RAG flows visually before writing code. What is the difference between AutoGen and Langflow?⌄ What it is — AutoGen: Code library: multi-agent conversation framework. Langflow: Visual builder for agent and RAG flows. Languages — AutoGen: Python, .NET. Langflow: Visual editor; Python components. Licence — AutoGen: MIT (code). Langflow: MIT. Managed / paid option — AutoGen: None. Langflow: Self-host or Langflow Desktop. Project status — AutoGen: Maintenance mode; successor is Microsoft Agent Framework. Langflow: Active; 1.x. AutoGen vs Langflow: which is cheaper?⌄ AutoGen pricing: Free. Langflow pricing: Free. Confirm current pricing on each tool's official site, as plans change. Which is rated higher, AutoGen or Langflow?⌄ In our catalog, AutoGen rates 4.4 out of 5 and Langflow rates 3.9 out of 5, so AutoGen has a slight edge on reviews. When should I skip both AutoGen and Langflow?⌄ Skip AutoGen if you’re starting a new project. AutoGen gets no new features; Microsoft points new work to Microsoft Agent Framework. Skip Langflow if your flows will grow large and need code review and versioning. A code library such as LangGraph is easier to manage. Sources · tool facts checked October 2026 1. 1.[AutoGen repository and maintenance notice (GitHub)github.com ](https://github.com/microsoft/autogen) 2. 2.[AutoGen to Microsoft Agent Framework migration guide (Microsoft Learn)learn.microsoft.com ](https://learn.microsoft.com/en-us/agent-framework/migration-guide/from-autogen/) 3. 3.[Langflowlangflow.org ](https://www.langflow.org/) See more options in our guide to the [best agent framework tools for startups](https://appstackbuilder.com/categories/agent-framework). ## Still not sure which to pick? Get a free, AI-powered tech stack — including the best agent framework pick for your budget and team — in 60 seconds. [Build my stack free ](https://appstackbuilder.com/build-stack)