head to head · open source
Dify vs promptflow
Dify has 156,167 GitHub stars, 24,658 forks, 1,067 open issues and last shipped yesterday. promptflow has 11,243 stars, 1,122 forks, 69 open issues and last shipped 23 days ago. Dify leads on adoption by 1,289% (156,167 vs 11,243 stars). Dify is written in TypeScript under a custom or non-standard licence; promptflow is written in Python under MIT. Dify has attracted 16% as many forks as stars, promptflow 10%. Dify was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (ai, gpt, llm), 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.
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Side by side
| Dify | promptflow | |
|---|---|---|
| GitHub stars | ★ 156K | ★ 11K |
| License | Custom / other | MIT |
| Written in | TypeScript | Python |
| Last push | 2026-09-17 | 2026-08-26 |
| Forks | ⑂ 25K | ⑂ 1.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Dify if
- You weight community size — 156K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick promptflow if
- You want the promptflow feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and promptflow fits your workflow better
About Dify
Dify is an open source LLM application development platform built in TypeScript. It provides a visual interface for designing, testing, and deploying AI workflows, RAG pipelines, and agentic systems without writing extensive code. The platform lives in the generative AI development ecosystem and targets teams needing to move from prototype to production using consistent tooling across environments.
About promptflow
Prompt flow is a Microsoft developed, MIT licensed suite of Python development tools that streamlines the end to end lifecycle of LLM based AI applications — ideation, prototyping, testing, evaluation, production deployment and monitoring — for developers and teams who need prompt driven apps to reach production quality rather than stay in a notebook.
read the full promptflow overview →
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Frequently asked questions
Is Dify or promptflow more popular?
Dify has 156,167 GitHub stars and promptflow has 11,243. Dify has the larger community by that measure.
Are Dify and promptflow free?
Both are open source. Dify has no licence declared in this registry, and promptflow is licensed under MIT. Both are free to self-host.
What is the difference between Dify and promptflow?
Dify is written in TypeScript and promptflow in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Dify or promptflow?
Choose Dify if you want the larger community (156,167 stars) or its Custom / other licence terms. Choose promptflow if its feature set, stack or MIT licence fits better. Both are self-hostable.