head to head · open source
Langflow vs Kilo
Langflow has 156,266 GitHub stars, 10,311 forks, 1,056 open issues and last shipped yesterday. Kilo has 27,834 stars, 3,332 forks, 586 open issues and last shipped yesterday. Langflow leads on adoption by 461% (156,266 vs 27,834 stars). Langflow is written in Python under MIT; Kilo is written in TypeScript under MIT. Langflow has attracted 7% as many forks as stars, Kilo 12%. Kilo was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (chatgpt), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 20902 open source comparisons
Side by side
| Langflow | Kilo | |
|---|---|---|
| GitHub stars | ★ 156K | ★ 28K |
| License | MIT | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 10K | ⑂ 3.3K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Langflow if
- You weight community size — 156K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Kilo if
- You want the Kilo feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Kilo fits your workflow better
About Langflow
Langflow is a powerful platform for building and deploying AI powered agents and workflows. It provides developers with both a visual authoring experience and built in API and MCP servers that turn every workflow into a tool that can be integrated into applications built on any framework or stack. Langflow comes with batteries included and supports all major LLMs, vector databases and a growing library of AI tools. ✨ Highlight features Visual builder interface to quickly get started and iterate. Source code access lets you customize any component using Python. Interactive playground to immediately test and…
read the full Langflow overview →
About Kilo
English 简体中文 繁體中文 한국어 Deutsch Español Français Italiano Dansk 日本語 Polski Русский Bosanski العربية Norsk Português (Brasil) ไทย Türkçe Українська বাংলা Ελληνικά Tiếng Việt The open source coding agent for building with AI in VS Code, JetBrains, or the CLI. Kilo Code is an AI coding agent that meets you everywhere you work: VS Code, JetBrains, and the CLI. It's open source with open pricing. You pick from 500+ models, switch between them mid task, and pay the model provider's rate with zero markup. No API keys required to start. Installation Pick where you want to run Kilo. VS Code Install the Kilo Code extension…
More in Developer Tools
Related comparisons
More Frameworks & Platforms projects
Compare either of these against the rest of the Frameworks & Platforms field.
Frequently asked questions
Is Langflow or Kilo more popular?
Langflow has 156,266 GitHub stars and Kilo has 27,834. Langflow has the larger community by that measure.
Are Langflow and Kilo free?
Both are open source. Langflow is licensed under MIT and Kilo under MIT. Neither carries a licence fee.
What is the difference between Langflow and Kilo?
Langflow is written in Python and Kilo in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Langflow or Kilo?
Choose Langflow if you want the larger community (156,266 stars) or its MIT licence terms. Choose Kilo if its feature set, stack or MIT licence fits better. Both are self-hostable.