head to head · open source
Dify vs Bifrost
Dify has 156,167 GitHub stars, 24,658 forks, 1,067 open issues and last shipped yesterday. Bifrost has 8,142 stars, 1,227 forks, 1,014 open issues and last shipped yesterday. Dify leads on adoption by 1,818% (156,167 vs 8,142 stars). Dify is written in TypeScript under a custom or non-standard licence; Bifrost is written in Go under Apache-2.0. Dify has attracted 16% as many forks as stars, Bifrost 15%. Bifrost 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 | Bifrost | |
|---|---|---|
| GitHub stars | ★ 156K | ★ 8.1K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 25K | ⑂ 1.2K |
| 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 Bifrost if
- You want the Bifrost feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and Bifrost 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 Bifrost
Bifrost is an open source, Go based AI gateway that puts 23+ model providers — OpenAI, Anthropic, AWS Bedrock, Google Vertex, Azure, Cerebras, Cohere, Mistral, Ollama, Groq and more — behind one OpenAI compatible API, built for teams running AI features in production that need failover, load balancing and caching without rewriting client code.
read the full Bifrost overview →
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Frequently asked questions
Is Dify or Bifrost more popular?
Dify has 156,167 GitHub stars and Bifrost has 8,142. Dify has the larger community by that measure.
Are Dify and Bifrost free?
Both are open source. Dify has no licence declared in this registry, and Bifrost is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Dify and Bifrost?
Dify is written in TypeScript and Bifrost in Go. 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 Bifrost?
Choose Dify if you want the larger community (156,167 stars) or its Custom / other licence terms. Choose Bifrost if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.