head to head · open source
Dify vs CL4R1T4S
Dify has 156,510 GitHub stars, 24,688 forks, 1,067 open issues and last shipped today. CL4R1T4S has 50,059 stars, 10,280 forks, 127 open issues and last shipped 10 days ago. Dify leads on adoption by 213% (156,510 vs 50,059 stars). Dify is written in TypeScript under a custom or non-standard licence; CL4R1T4S is written in various languages under AGPL-3.0. Dify has attracted 16% as many forks as stars, CL4R1T4S 21%. Dify was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai), 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 | CL4R1T4S | |
|---|---|---|
| GitHub stars | ★ 157K | ★ 50K |
| License | Custom / other | AGPL-3.0 |
| Written in | TypeScript | — |
| Last push | 2026-09-20 | 2026-09-10 |
| Forks | ⑂ 25K | ⑂ 10K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Dify if
- You weight community size — 157K 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 CL4R1T4S if
- You want the CL4R1T4S feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- You evaluated both and CL4R1T4S 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 CL4R1T4S
CL4R1T4S is an AGPL 3.0 repository of full extracted system prompts, guidelines and tools from the major AI models and agents — ChatGPT, Claude, Gemini, Grok, Perplexity, Cursor, Lovable, Replit and more — for anyone who wants to know what instructions sit behind the AI systems they use.
read the full CL4R1T4S overview →
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Frequently asked questions
Is Dify or CL4R1T4S more popular?
Dify has 156,510 GitHub stars and CL4R1T4S has 50,059. Dify has the larger community by that measure.
Are Dify and CL4R1T4S free?
Both are open source. Dify has no licence declared in this registry, and CL4R1T4S is licensed under AGPL-3.0. Both are free to self-host.
What is the difference between Dify and CL4R1T4S?
Dify is written in TypeScript and CL4R1T4S in various languages. 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 CL4R1T4S?
Choose Dify if you want the larger community (156,510 stars) or its Custom / other licence terms. Choose CL4R1T4S if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.