head to head · open source
Dify vs ruby_llm
Dify has 156,215 GitHub stars, 24,668 forks, 1,067 open issues and last shipped today. ruby_llm has 4,379 stars, 501 forks, 7 open issues and last shipped yesterday. Dify leads on adoption by 3,467% (156,215 vs 4,379 stars). Dify is written in TypeScript under a custom or non-standard licence; ruby_llm is written in Ruby under MIT. Dify has attracted 16% as many forks as stars, ruby_llm 11%. Dify was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai, 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 | ruby_llm | |
|---|---|---|
| GitHub stars | ★ 156K | ★ 4.4K |
| License | Custom / other | MIT |
| Written in | TypeScript | Ruby |
| Last push | 2026-09-18 | 2026-09-17 |
| Forks | ⑂ 25K | ⑂ 501 |
| 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 ruby_llm if
- You want the ruby_llm feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Ruby
- You evaluated both and ruby_llm 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 ruby_llm
RubyLLM is the Ruby native AI framework that gives Ruby and Rails applications chats, agents, tools, images, audio, and video through one consistent API spanning 17 providers.
read the full ruby_llm overview →
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Frequently asked questions
Is Dify or ruby_llm more popular?
Dify has 156,215 GitHub stars and ruby_llm has 4,379. Dify has the larger community by that measure.
Are Dify and ruby_llm free?
Both are open source. Dify has no licence declared in this registry, and ruby_llm is licensed under MIT. Both are free to self-host.
What is the difference between Dify and ruby_llm?
Dify is written in TypeScript and ruby_llm in Ruby. 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 ruby_llm?
Choose Dify if you want the larger community (156,215 stars) or its Custom / other licence terms. Choose ruby_llm if its feature set, stack or MIT licence fits better. Both are self-hostable.