The Langflow Insider’s Guide
Everything we know about Langflow in one document: what it costs, its grades, getting a refund, getting help and what else to look at. Read it here, or keep a copy.
Langflow
The Insider’s Guide
Open-source visual builder for AI agents and MCP servers
Every plan, grade, refund rule and rival among AI agents, read from Langflow’s own pages.
Made by Langflow (IBM) · checked Oct 9, 2026 · toolgpa.com
Contents
- 01WelcomeWhat it is, who it suits, its grades and the ten things to know first
- 02What it costsEvery plan, the free plan, ways to pay less and how prices have moved
- 03What it doesIts main features, where it runs, what it works with and who makes it
- 04Where it standsIts grades against its category, and whether to keep it or make your own
- 05The alternativesThe tools it is most often weighed against, side by side
- 06Quick answersThe questions people ask about it, each answered in a line or two
- 07About ToolGPAWho made this guide, what else is on the site, and how to cite it
ToolGPA put this guide together from Langflow’s own pages, its app-store listings and our grades. Every fact in it is on Langflow’s page too, where it is kept up to date. Checked Oct 9, 2026.
Part 01 · Overview
Welcome
What it is, who it suits, its grades and the ten things to know first
2.8
GPA, above 40 of the 51 other AI agents we grade
Langflow is an open-source, Python-based tool for building AI agents, retrieval (RAG) applications and other LLM workflows by connecting components on a visual canvas. Flows are tested in a built-in playground, then run through an API, exported for Python apps or exposed as MCP servers. It is MIT licensed and free to run with Langflow Desktop, Docker or a Python package, and IBM sells an optional support subscription for teams that run it themselves.
To get you started, here are 8 things to know about Langflow, taken from its own pages and our grades.
Desktop is the shortest route for one person on a Mac or Windows PC, and no rating is on record.
- 1
Best for building agents on a free, open-source canvas
There's no hosted version to sign up for, so you run it yourself and bring your own model keys.
- 2
There is a free plan
The whole application is open source under the MIT license and free to run with Langflow Desktop, Docker or the Python package. You supply the infrastructure and the model access.
- 3
It runs on 4 platforms
Web, macOS, Windows and Linux.
- 4
Visual flow editor
A flow is built by dragging component nodes onto a canvas and connecting them. Each component is one step, with parameters you fix or override at run time.
- 5
Playground
Test a flow and see its logic and responses in real time without building the rest of the application, or run a single component on its own.
- 6
Agents and tools
Agent components can call other components and whole flows as tools, running as a single agent or as several working together.
- 7
A 2.8 GPA, above 40 of 51
That is against the other AI agents we grade, on value, the free plan, features, ease of use and platforms.
- 8
Keep it
To replace Langflow you would be making an AI agent, with the models and the safeguards behind it. That is not a weekend's work, with an AI app builder or without one.
Langflow at a glance
- Pricing
- Free plan
- Free plan
- Yes
- Free trial
- None stated
- Runs on
- Web, macOS, Windows, Linux
- Made by
- Langflow (IBM)
- Category
- AI Agents
- Our grade
- 2.8 GPA, good
The report card
Best for building agents on a free, open-source canvas
Langflow is a free, open-source canvas for building AI agents: drag components on, test them in a playground, then run the flow through an API or as an MCP server. There's no hosted version to sign up for, so you run it yourself and bring your own model keys. Nothing is on record about schedules or team use, there's no email support unless you pay IBM, and on Intel Macs the PyTorch components are limited or missing.
| Subject | Grade | Comment |
|---|---|---|
| Value for money | A | It costs nothing: the whole application is MIT licensed, and the only thing on sale is optional IBM support at a custom price, which buys support and not software. Model access and the machine it runs on are yours to pay for. |
| Free plan and trial | A | The full application is free whichever way you run it, Langflow Desktop, the Docker image or the Python package, with nothing held back for a paid tier. You supply the computer and the model keys. |
| Features | C | It covers the building job: components dragged onto a canvas, a playground to test in, agents that call whole flows as tools, flows published through an API or as MCP tools, and Python you can edit. That's a smaller job than the category's: nothing on record about schedules, triggers or team use. |
| Ease of use | D | You host it yourself: the docs cover only installs you look after, Langflow Desktop, Docker, the Python package or Kubernetes, and you bring your own model keys. Desktop is the shortest route for one person on a Mac or Windows PC, and no rating is on record. |
| Platforms and integrations | B | A desktop app for Mac and Windows, Docker or Python anywhere else, and you work in a browser. It connects to OpenAI, Anthropic, Ollama, Pinecone, Notion and Slack, with an API and MCP in both directions. No phone app is listed. |
An A is worth 4 points, a B 3, a C 2, a D 1 and an F nothing. The GPA is the average of the five.
Who Langflow is for
- Fits if you're a developer sketching out agent or RAG apps on a canvas
- Works for turning a flow into an API endpoint or an MCP tool for another app
Who it is not for
- Skip it if you want to sign up and build in the cloud, as the docs cover only installs you run yourself
- Not for you if you expect email support, because help comes through GitHub and the community unless you pay IBM
- Tight if you're on an Intel Mac, where the components that depend on PyTorch are limited or unavailable
- Watch out: Langflow Desktop needs macOS 13 or Windows and lacks the Shareable Playground and Voice Mode
- Too light for scheduled runs, triggers or team use, as none are on record
Good to know
Good for
- Developers prototyping agent and RAG applications on a canvas
- Teams that want to self-host an MIT-licensed builder
- Turning flows into API endpoints or MCP tools for other applications
Worth knowing
- The docs cover only self-managed installs: Desktop, Docker, the Python package or Kubernetes. The homepage mentions a free cloud account but links no sign-up.
- Langflow Desktop is for macOS 13 or later and Windows, and lacks some features such as the Shareable Playground and Voice Mode.
- On Intel Macs, the ML and AI components that depend on PyTorch are limited or unavailable.
- The team gives no individual support by email: help comes through GitHub and community channels unless you subscribe to IBM Elite Support.
Part 02 · Pricing
What it costs
Every plan, the free plan, ways to pay less and how prices have moved
2
plans to choose from
Langflow has a free plan.
Model access and the machine it runs on are yours to pay for.
Langflow OSS
Free
The full MIT-licensed application, run with Langflow Desktop on macOS or Windows, a Docker image or the Python package.
IBM Elite Support for Langflow
Custom
Optional subscription to IBM technical support for open-source deployments you run yourself. It covers support only and includes no software license.
The free plan
The whole application is open source under the MIT license and free to run with Langflow Desktop, Docker or the Python package. You supply the infrastructure and the model access.
Read from langflow.org on Oct 9, 2026.
Part 03 · Features
What it does
Its main features, where it runs, what it works with and who makes it
4
Places it runs: Web, macOS, Windows and Linux
Open-source visual builder for AI agents and MCP servers. Here is what it does, as its own site describes it, and what it covers: open source, self-hostable, public API, templates, AI agents.
That's a smaller job than the category's: nothing on record about schedules, triggers or team use.
- Visual flow editor
- A flow is built by dragging component nodes onto a canvas and connecting them. Each component is one step, with parameters you fix or override at run time.
- Playground
- Test a flow and see its logic and responses in real time without building the rest of the application, or run a single component on its own.
- Agents and tools
- Agent components can call other components and whole flows as tools, running as a single agent or as several working together.
- MCP server and client
- Flows can be exposed as tools through Langflow's MCP server, and Langflow can connect to external MCP servers as a client.
- API and deployment
- Flows run from your own code through the Langflow API or are exported as JSON. The docs cover Docker, Kubernetes, remote servers and cloud providers.
- Custom Python components
- Components are written in Python, so you can edit the ones provided, write your own or install components shared by other users.
Where it runs
- Web
- macOS
- Windows
- Linux
What it works with
- OpenAI
- Anthropic
- Ollama
- Amazon Bedrock
- Pinecone
- MongoDB
- Notion
- Slack
Langflow is made by Langflow (IBM).
Part 04 · Standing
Where it stands
Its grades against its category, and whether to keep it or make your own
40/51
Other AI agents it is graded above
Langflow's GPA of 2.8 is higher than 40 of the 51 other AI agents we grade, and level with 6.
It stands best on free plan and trial (A, above 46 of 51) and worst on ease of use (D, above 0).
Each grade against the category
Every bar is all 52 AI agents we grade, cut by the letter each got. Langflow’s own letter is outlined.
- AValue for moneyAbove 45 of 51
- AFree plan and trialAbove 46 of 51
- CFeaturesAbove 0 of 51
- DEase of useAbove 0 of 51
- BPlatforms and integrationsAbove 5 of 51
Keep it, or make your own?
Whether this is something you could build for yourself with an AI app builder, and what you would give up.
Keep it
To replace Langflow you would be making an AI agent, with the models and the safeguards behind it. That is not a weekend's work, with an AI app builder or without one.
It is one of the better ones too: its GPA of 2.8 is higher than 40 of the 51 other AI agents we grade. Langflow is open source, so there is a third way: take its code and run it yourself.
What you could make
- Templates: an app builder makes this well.
What you could not
- An AI agent, with the models and the safeguards behind it.
- Apps for macOS, Windows and Linux that stay in step with each other.
- It plugs into other products, OpenAI, Anthropic and Ollama among them, and has an API.
What this rests on. Langflow’s listing: what it does, where it runs, what it plugs into and what it costs. It is a judgement about the kind of software this is. We have not built a replacement for it, and making your own means looking after it too. How we decide, and every tool’s verdict.
Part 05 · Alternatives
The alternatives
The tools it is most often weighed against, side by side
Dify, Sim, n8n, MindStudio and Gumloop
The 5 tools Langflow is most often weighed against, with where each one differs from it.
- 2.2GPA
Dify
Free plan · from $590/yr
Open-source platform for building AI agents and agentic workflows.
- Only Langflow lists macOS, Windows and Linux apps.
- Langflow also covers templates.
- Dify also covers workflow automation and no-code.
- 2.6GPA
Sim
Free plan · from $21.25/mo
Open-source workspace for building and running AI agents.
- Only Langflow lists Windows and Linux apps.
- Langflow also covers templates.
- Sim also covers workflow automation.
- 2.4GPA
n8n
Free plan · from €20/mo
Workflow automation and AI agents you can self-host.
- Only Langflow lists macOS, Windows and Linux apps.
- Langflow is open source, according to its own site.
- Langflow also covers templates and AI agents.
- 2.6GPA
MindStudio
Free plan · from $16/mo
No-code builder for AI agents, with 200+ models billed at cost.
- Only Langflow lists macOS, Windows and Linux apps.
- Only MindStudio lists a browser extension.
- Langflow is open source, according to its own site.
- 2.0GPA
Gumloop
Free trial · from $37/mo
AI agent builder for teams, with unlimited seats on shared credits.
- Langflow has a free plan. Gumloop does not, though it has a free trial.
- Only Langflow lists macOS, Windows and Linux apps.
- Langflow is open source and self-hostable, according to its own site.
Part 06 · Questions
Quick answers
The questions people ask about it, each answered in a line or two
12
Questions, each answered in a line or two
The short version of everything above, for when you only need the answer. Each one is told in full in its part of the guide.
Is Langflow free?
Langflow has a free plan. The whole application is open source under the MIT license and free to run with Langflow Desktop, Docker or the Python package.
How much does Langflow cost?
Langflow lists 2 plans. Langflow OSS: Free.
What platforms does Langflow work on?
Langflow is available on Web, macOS, Windows and Linux.
Does Langflow have an Android app?
No Android app was listed when its pages were read on Oct 9, 2026. Langflow is listed for Web, macOS, Windows and Linux.
Does Langflow have an iPhone app?
No iPhone app was listed when its pages were read on Oct 9, 2026. Langflow is listed for Web, macOS, Windows and Linux.
Is Langflow open source?
Yes. Langflow is open source, according to its own site.
Does Langflow have an API?
Yes. Langflow offers a public API, according to its own site.
What does Langflow integrate with?
Langflow's listing names OpenAI, Anthropic, Ollama, Amazon Bedrock, Pinecone, MongoDB, Notion and Slack.
Who makes Langflow?
Langflow is made by Langflow (IBM).
What are the alternatives to Langflow?
The closest alternatives to Langflow in our directory are Dify, Sim, n8n, MindStudio and Gumloop.
How does Langflow compare with other AI agents?
Langflow's GPA of 2.8 is higher than 40 of the 51 other AI agents we grade, and level with 6.
Could I make my own version of Langflow?
To replace Langflow you would be making an AI agent, with the models and the safeguards behind it.
Where this guide comes from
The prices, plans, platforms and features were read from Langflow’s own pages on Oct 9, 2026, and the grades were given on Oct 10, 2026. Graded from this listing, whose facts were read from Langflow's own pages on 9 October 2026. Also tested with a demo account on 2026-07-21.
Every tool we list gets five grades, A to F, each with its reason, and a GPA that averages them. How each is decided is at toolgpa.com/grades. This guide is ToolGPA’s own work; it is not made, paid for or approved by Langflow (IBM). Prices change, so check langflow.org before you buy.
- langflow.org/
- langflow.org/desktop/
- langflow.org/contact-us/
- docs.langflow.org/
- docs.langflow.org/get-started-installation
- docs.langflow.org/deployment-overview
- docs.langflow.org/macos-support
- docs.langflow.org/contributing-github-issues
- docs.langflow.org/luna-for-langflow
- ibm.com/docs/en/esfl?topic=elite-support-langflow-specification
- github.com/langflow-ai/langflow
Part 07 · About
About ToolGPA
Who made this guide, what else is on the site, and how to cite it
3,189
Tools graded, in 94 categories
ToolGPA grades software the way a school report grades a pupil: five subjects, a letter for each with the reason written beside it, and a GPA that averages them. Prices, plans and platforms are read from each maker’s own pages and dated, so you always know how fresh a figure is.
Every grade, review and ranking on ToolGPA is our own judgement. No company can pay for a grade or change one. Every tool on the site has a guide like this one, free to download and pass on. It all lives at toolgpa.com.
3,189
tools graded
94
categories
426
price changes on record
579
apps priced in 12 countries
What else is on toolgpa.com
- Langflow, kept up to dateEverything in this guide, with prices and grades as they are todaytoolgpa.com/tools/langflow
- How grades are givenThe rules behind every letter and every GPAtoolgpa.com/grades
- Value chartsWhat each tool costs against what it scores, for every categorytoolgpa.com/charts
- CompareAny two tools side by side, plan by plantoolgpa.com/compare
- Price changesEvery price rise and cut on record, each with its sourcetoolgpa.com/price-changes
- Prices by countryWhat apps cost on the App Store in 12 countriestoolgpa.com/prices-by-country
- Pay lessEvery public discount: yearly billing, students, nonprofitstoolgpa.com/save
- Keep or makeWhich tools are worth paying for, and which you could build yourselftoolgpa.com/keep-or-make
Scan for the live page
Prices and grades as they are today
Quoting this guide?
Please name ToolGPA and link to the live page, so readers can check the figures for themselves:
ToolGPA, "Langflow: The Insider's Guide", checked Oct 9, 2026. https://toolgpa.com/tools/langflow
Know someone choosing between AI agents?
Send them this guide: toolgpa.com/tools/langflow/guide
ToolGPA elsewhere: youtube.com/@toolgpa
See our other guides
The best-graded AI agents after Langflow, each with an Insider's Guide of its own.
- AI Agents Insider's GuideEvery one of the 52 AI agents we grade, compared
- Genspark Insider's GuideAI workspace with an agent for research, slides, sheets and docs3.2 GPA
- Manus Insider's GuideGeneral AI agent for research, slides, websites and browser tasks3.2 GPA
- OpenClaw Insider's GuideOpen-source personal AI agent you run yourself and message in chat3.2 GPA
Choosing software? Every tool graded, every price dated.
Compare tools at toolgpa.com ›Everything in this guide is ToolGPA’s own summary of what Langflow’s pages, its app-store listings and public reviews said on the dates shown. Grades are our judgement under the rules at toolgpa.com/grades. Every grade, review and ranking on ToolGPA is our own judgement. No company can pay for a grade or change one. Langflow is a trademark of its owner, and this guide is not made, paid for or approved by Langflow (IBM). Prices and plans change: check langflow.org before you buy.