--- title: "Langflow vs Mastra: Which is Better in 2026? | App Stack Builder" description: "Langflow vs Mastra 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/langflow-vs-mastra retrieved: 2026-10-29 --- ![](https://appstackbuilder.com/logos/langflow.ico) vs ![](https://www.google.com/s2/favicons?domain=mastra.ai&sz=128) # Langflow vs Mastra: Which is Better in 2026? Agent Framework Choosing between [Langflow](https://appstackbuilder.com/tools/langflow) and [Mastra](https://appstackbuilder.com/tools/mastra)? 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. Langflow is for: Teams who want to build and test agent and RAG flows visually, then serve them as APIs or MCP servers. Mastra is for: TypeScript teams that want agents, workflows, memory, evals and observability in one framework instead of assembling them. Quick verdict There’s no single winner; pick on your constraint. Choose Langflow if you want to prototype agent or RAG flows visually before writing code. Choose Mastra if you work in TypeScript and want workflows, memory and evals included. ## Langflow vs Mastra — Side by Side | | Langflow | Mastra | | --------------------- | -------------------------------------------------------------- | ----------------------------------------------------------------------------- | | Category | Agent Framework | Agent Framework | | What it is | Visual builder for agent and RAG flows | Code library: TypeScript agent framework with workflows | | Languages | Visual editor; Python components | TypeScript | | Licence | MIT | Apache 2.0 core; enterprise features under a separate licence | | Managed / paid option | Self-host or Langflow Desktop | Mastra Cloud: free Starter, Teams $250/month | | Project status | Active; 1.x | Active; 1.x | | Pricing | Free | Free · then usage-based | | Starting price | Free tier available | Free tier available | | Free tier | ✓ | ✓ | | Rating | 3.9 | 4.6 | | Best for | Agent Framework — visual builder, RAG prototyping, MCP servers | Agent Framework — TypeScript agents, workflows and memory, batteries included | ## Pros & Cons ![](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 ![](https://www.google.com/s2/favicons?domain=mastra.ai&sz=128) [Mastra](https://appstackbuilder.com/tools/mastra) * ✓Best-in-class for TypeScript teams * ✓Batteries-included (agents, workflows, memory, evals) * ✓From the experienced Gatsby team * ✓Strong observability & MCP support * ✗Younger than Python frameworks * ✗TypeScript-only ecosystem ## Key Features Compared ### 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 ### Mastra * ✓Agents, a graph-based workflow engine and memory in one package * ✓Built-in evals and observability * ✓MCP support for sharing tools * ✓Mastra Cloud: free Starter, Teams at $250 a month, Enterprise on quote * ✓Apache 2.0 core; enterprise features under a separate Mastra Enterprise Licence ### 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) ### Choose Mastra if… * ✓You work in TypeScript and want workflows, memory and evals included. * ✓You want an optional managed cloud from the same team. * ✓You want MCP tool sharing built in. [Mastra review & pricing ](https://appstackbuilder.com/tools/mastra) ## Frequently Asked Questions Is Langflow better than Mastra?⌄ There’s no single winner; pick on your constraint. Choose Langflow if you want to prototype agent or RAG flows visually before writing code. Choose Mastra if you work in TypeScript and want workflows, memory and evals included. What is the difference between Langflow and Mastra?⌄ What it is — Langflow: Visual builder for agent and RAG flows. Mastra: Code library: TypeScript agent framework with workflows. Languages — Langflow: Visual editor; Python components. Mastra: TypeScript. Licence — Langflow: MIT. Mastra: Apache 2.0 core; enterprise features under a separate licence. Managed / paid option — Langflow: Self-host or Langflow Desktop. Mastra: Mastra Cloud: free Starter, Teams $250/month. Langflow vs Mastra: which is cheaper?⌄ Langflow pricing: Free. Mastra pricing: Free · then usage-based. Confirm current pricing on each tool's official site, as plans change. Which is rated higher, Langflow or Mastra?⌄ In our catalog, Langflow rates 3.9 out of 5 and Mastra rates 4.6 out of 5, so Mastra has a slight edge on reviews. When should I skip both Langflow and Mastra?⌄ Skip Langflow if your flows will grow large and need code review and versioning. A code library such as LangGraph is easier to manage. Skip Mastra if your team writes Python. LangGraph or CrewAI fit better. Sources · tool facts checked October 2026 1. 1.[Langflowlangflow.org ](https://www.langflow.org/) 2. 2.[Mastra licensing (Mastra docs)mastra.ai ](https://mastra.ai/docs/community/licensing) 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)