# Langflow: what's new, verdict & setup Canonical: https://theagenticweekly.com/tools/langflow · Released: 2026-10-26 · Last verified: 2026-10-26 · Evidence: Tested (smoke test, 2026-10-26, no LLM involved) · Vendor: Langflow · Official site: https://www.langflow.org/ > MIT-licensed visual builder for AI agents and MCP servers with a very large GitHub following. ## Verdict **MIT-licensed visual builder for AI agents and MCP servers with a very large GitHub following.** Good for: - Visual prototyping of RAG and agents - Exposing flows as MCP servers Skip if: - You want code-first control only Tested. Tested 2026-10-26 (America/Chicago). Langflow 1.13.0 installed in 19.76 s (1.7 GB) and its backend was healthy 91.5 s after launch, serving 26 starter flows and 416 components. Test environment: Linux x86_64 virtual machine (Debian 13), 8 vCPU, 15 GiB RAM, no GPU; no vendor account, login or API key. No language model was involved in this test. Not tested: Building or running any flow, including a flow that calls a model; The visual editor: we ran the backend only; Langflow's hosted or desktop offerings and deployment; Start-up time on an idle machine: ours was heavily shared. These are smoke tests, not a benchmark. Full log: /tests/langflow. Test scope: - Kind and date: smoke test, 2026-10-26 (America/Chicago). Not a benchmark. - What we ran: Langflow 1.13.0 installed in 19.76 s (1.7 GB) and its backend was healthy 91.5 s after launch, serving 26 starter flows and 416 components. - Model used: none (no language model was involved) - Environment: Linux x86_64 virtual machine (Debian 13), 8 vCPU, 15 GiB RAM, no GPU; no vendor account, login or API key - Not tested: Building or running any flow, including a flow that calls a model; The visual editor: we ran the backend only; Langflow's hosted or desktop offerings and deployment; Start-up time on an idle machine: ours was heavily shared. Full test log (commands, versions, raw output): [Langflow langflow 1.13.0: our test log](https://theagenticweekly.com/tests/langflow) Pricing: Partly verified. No pricing page read. (checked 2026-10-25) ## Best for - [Best AI tool for agent building](https://theagenticweekly.com/best/agent-building) (#-): Low-code visual builder for agents, RAG and MCP servers. ## Key facts Langflow's site calls it a low-code builder for agentic and RAG applications that can deploy agents and MCP servers. The repository is MIT-licensed with dev builds of v1.14.0 published at the end of October 2026. - License: MIT (per GitHub) - Platforms: Self-hosted and desktop (details not read) - Pricing model: Open source - Free tier: Free to self-host - Paid plans: Hosted pricing not read - GitHub: langflow-ai/langflow: 156,021 stars on 2026-10-25, last push 2026-10-26 - Latest release we saw: 2026-10-26 - How to start: Install Langflow with pip or uv and open the local canvas per the docs. - Latest release we saw (2026-10-26): the newest release listed on the official page or repository when we read it on 2026-10-25. ## How to set it up: Get started with Langflow These steps come from the vendor's own pages as read on 2026-10-25. We have not run Langflow. 1. **Get access.** Install Langflow with pip or uv and open the local canvas per the docs. 2. **Check the limits and costs first.** Free to self-host. Paid: Hosted pricing not read. No pricing page read. ## Pros and cons Pros: - MIT license - Visual canvas Cons: - Hosted pricing not read ## Alternatives - [Dify](https://theagenticweekly.com/tools/dify): Open-source platform for building LLM apps and agent workflows with a visual canvas; licensed under a modified Apache 2.0 with extra conditions. - [Flowise](https://theagenticweekly.com/tools/flowise): Open-source drag-and-drop builder for LLM flows and agents; GitHub marks the main repository as archived with its last push in Aug 2026. - [n8n](https://theagenticweekly.com/tools/n8n): Fair-code workflow automation with 400+ integrations and native AI agent features; self-host or cloud. - [Botpress](https://theagenticweekly.com/tools/botpress): Customer-support AI agent platform with a free plan and conversation-based paid plans. - [Gumloop](https://theagenticweekly.com/tools/gumloop): Agent builder for teams; plans start at $37 per month with 20k included credits. - [Lindy](https://theagenticweekly.com/tools/lindy): AI 'employee' builder that connects to your tools; Free plan with $50 in credits that last 7 days, then credit-based plans. - [Microsoft Copilot Studio](https://theagenticweekly.com/tools/copilot-studio): Microsoft's platform for creating and managing custom agents, workflows and apps with no code. - [Pydantic AI](https://theagenticweekly.com/tools/pydantic-ai): Python agent framework built on Pydantic types, covering agents, realtime voice, image generation and embeddings. - [Relevance AI](https://theagenticweekly.com/tools/relevance-ai): Platform for specialist AI agents for sales, customer success, marketing and HR, with an embedded deployment team. - [Voiceflow](https://theagenticweekly.com/tools/voiceflow): Platform for chat and voice AI agents for customer experience teams. - [LangGraph](https://theagenticweekly.com/tools/langgraph): Low-level framework for building long-running, stateful agents as graphs. - [Vercel AI SDK](https://theagenticweekly.com/tools/vercel-ai-sdk): Vercel's TypeScript SDK that gives one API across many model providers, with streaming and agent helpers. ## FAQ ### What is Langflow? Langflow's site calls it a low-code builder for agentic and RAG applications that can deploy agents and MCP servers. The repository is MIT-licensed with dev builds of v1.14.0 published at the end of October 2026. ### Is Langflow free? Free to self-host. Paid: Hosted pricing not read. No pricing page read. Checked 2026-10-25; prices change, so confirm on the vendor's page. ### What license is Langflow under? Its license: MIT (per GitHub). Read from the project's own pages on 2026-10-25. ## What we have not verified - Hosting options and prices ## Sources - [Langflow](https://www.langflow.org/) (fetched 2026-10-25) - [Langflow repository (GitHub)](https://github.com/langflow-ai/langflow) (fetched 2026-10-25) ## How to cite Agentic Weekly, "Langflow: what's new, verdict & setup", last updated 2026-10-26, https://theagenticweekly.com/tools/langflow Keep the Reported or Tested label when you quote the verdict.