head to head · open source
FastGPT vs Swirl Search
FastGPT has 29,987 GitHub stars, 7,367 forks, 172 open issues and last shipped yesterday. Swirl Search has 3,050 stars, 292 forks, 1 open issues and last shipped 9 days ago. FastGPT leads on adoption by 883% (29,987 vs 3,050 stars). FastGPT is written in TypeScript under a custom or non-standard licence; Swirl Search is written in Python under Apache-2.0. FastGPT has attracted 25% as many forks as stars, Swirl Search 10%. FastGPT was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (rag), 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
| FastGPT | Swirl Search | |
|---|---|---|
| GitHub stars | ★ 30K | ★ 3.0K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-11-04 | 2026-10-27 |
| Forks | ⑂ 7.4K | ⑂ 292 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick FastGPT if
- You weight community size — 30K 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 Swirl Search if
- You want the Swirl Search feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and Swirl Search fits your workflow better
About FastGPT
FastGPT English 简体中文 Bahasa Indonesia ไทย Tiếng Việt 日本語 FastGPT 是一个 AI Agent 构建平台，提供开箱即用的数据处理、模型调用等能力，同时可以通过 Flow 可视化进行工作流编排，从而实现复杂的应用场景。 快速开始 可以通过 Docker 快速启动 FastGPT，在终端输入以下命令，根据引导完成输入即可拉取配置。 bash 输入命令拉取配置文件 bash 💪 我们的项目 & 链接 快速开始本地开发 OpenAPI 文档 FastGPT plugin AI Proxy: 模型聚合负载均衡服务 Sealos：快速部署集群应用 🌿 第三方生态 AI Proxy：大模型聚合服务 SiliconCloud (硅基流动) —— 开源模型在线体验平台 🏘️ 社区交流群 扫码加入飞书话题群： 🤝 贡献者 我们非常欢迎各种形式的贡献。如果你对贡献代码感兴趣，可以查看我们的 GitHub Issues，大展身手，向我们展示你的奇思妙想。 🌟 Star History 使用协议 本仓库遵循 FastGPT Open Source License 开源协议。 1. 允许作为后台服务直接商用，但不允许提供 SaaS 服务。 2. 未经商业授权，任何形式的商用服务均需保留相关版权信息。 3. 完整请查看 FastGPT Open Source License 4…
read the full FastGPT overview →
About Swirl Search
SWIRL Community Federated AI search and RAG across your stack, without moving your data Ask a question. SWIRL searches your apps live, ranks the results, and returns an answer with sources you can click through to. Data stays where it lives. No vector database, no ETL, no second copy to govern. Open source, Apache 2.0, running on your machine in about two minutes. ⚡ Quick Start · 🧱 What you get · 🆚 Community vs Enterprise · 🔌 Connectors · 🤝 Contribute This repository is SWIRL Community , Apache 2.0 and free to self host. There is also SWIRL Enterprise , which adds a three pass reranker, canonical answers, an…
read the full Swirl Search overview →
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Frequently asked questions
Is FastGPT or Swirl Search more popular?
FastGPT has 29,987 GitHub stars and Swirl Search has 3,050. FastGPT has the larger community by that measure.
Are FastGPT and Swirl Search free?
Both are open source. FastGPT has no licence declared in this registry, and Swirl Search is licensed under Apache-2.0. Both are free to self-host.
What is the difference between FastGPT and Swirl Search?
FastGPT is written in TypeScript and Swirl Search 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, FastGPT or Swirl Search?
Choose FastGPT if you want the larger community (29,987 stars) or its Custom / other licence terms. Choose Swirl Search if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.