head to head · open source
Dify vs sepia
Dify has 156,215 GitHub stars, 24,668 forks, 1,067 open issues and last shipped today. sepia has 2,672 stars, 175 forks, 8 open issues and last shipped yesterday. Dify leads on adoption by 5,746% (156,215 vs 2,672 stars). Dify is written in TypeScript under a custom or non-standard licence; sepia is written in Python under MIT. Dify has attracted 16% as many forks as stars, sepia 7%. Dify was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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 | sepia | |
|---|---|---|
| GitHub stars | ★ 156K | ★ 2.7K |
| License | Custom / other | MIT |
| Written in | TypeScript | Python |
| Last push | 2026-09-18 | 2026-09-17 |
| Forks | ⑂ 25K | ⑂ 175 |
| 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 sepia if
- You want the sepia feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and sepia 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 sepia
sepia English 繁體中文 简体中文 De AI writing at the layer that actually gives AI away. Fiction gets its narrative architecture repaired before anyone touches word choice; professional documents (release notes, PR replies, postmortems, tickets, technical articles) each get rules matched to their venue. A portable Agent Skill: any agent that speaks the standard can load it, and the Skills CLI, which supports 77+ agents, installs it with one command. Claude Code, Codex, Grok Build, Antigravity, and QwenPaw additionally get native plugin packaging. One canonical SKILL.md , no per platform forks. Four operations: write , rev…
read the full sepia overview →
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Frequently asked questions
Is Dify or sepia more popular?
Dify has 156,215 GitHub stars and sepia has 2,672. Dify has the larger community by that measure.
Are Dify and sepia free?
Both are open source. Dify has no licence declared in this registry, and sepia is licensed under MIT. Both are free to self-host.
What is the difference between Dify and sepia?
Dify is written in TypeScript and sepia 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 sepia?
Choose Dify if you want the larger community (156,215 stars) or its Custom / other licence terms. Choose sepia if its feature set, stack or MIT licence fits better. Both are self-hostable.