head to head · open source
Dify vs CL4R1T4S
Dify has 160,251 GitHub stars, 25,336 forks, 1,067 open issues and last shipped yesterday. CL4R1T4S has 51,704 stars, 10,555 forks, 127 open issues and last shipped 1 months ago. Dify leads on adoption by 210% (160,251 vs 51,704 stars). Dify is written in Python 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 20%. 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.
← all 20902 open source comparisons
Side by side
| Dify | CL4R1T4S | |
|---|---|---|
| GitHub stars | ★ 160K | ★ 52K |
| License | Custom / other | AGPL-3.0 |
| Written in | Python | — |
| Last push | 2026-11-02 | 2026-09-22 |
| Forks | ⑂ 25K | ⑂ 11K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Dify if
- You weight community size — 160K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- 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 Cloud · Self hosting · Documentation · Dify edition overview Dify is an open source LLM app development platform. Its intuitive interface combines AI workflow, RAG pipeline, agent capabilities, model management, observability features (including Opik, Langfuse, and Arize Phoenix) and more, letting you quickly go from prototype to production. Here's a list of the core features: Quick start Before installing Dify, make sure your machine meets the following minimum system requirements: CPU = 2 Core RAM = 4 GiB The easiest way to start the Dify server is through Docker Compose. Before running Dify with the…
About CL4R1T4S
CL4R1T4S AI SYSTEMS TRANSPARENCY AND OBSERVABILITY FOR ALL! Full extracted system prompts, guidelines, and tools from OpenAI, Google, Anthropic, xAI, Perplexity, Cursor, Windsurf, Devin, Manus, Replit, and more – virtually all major AI models + agents! 📌 Why This Exists "In order to trust the output, one must understand the input." AI labs shape how models behave using massive, unseen prompt scaffolds. Because AI is a trusted external intelligence layer for a growing number of humans, these hidden instructions can affect the perceptions and behavior of the public. These prompts define: What AIs can’t say What…
read the full CL4R1T4S overview →
More in AI & Machine Learning
Related comparisons
More AI Development Platforms projects
Compare either of these against the rest of the AI Development Platforms field.
Frequently asked questions
Is Dify or CL4R1T4S more popular?
Dify has 160,251 GitHub stars and CL4R1T4S has 51,704. 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 Python 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 (160,251 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.