head to head · open source
haystack vs CodeMachine-CLI
haystack has 26,924 GitHub stars, 3,388 forks, 143 open issues and last shipped yesterday. CodeMachine-CLI has 2,512 stars, 234 forks, 9 open issues and last shipped 8 months ago. haystack leads on adoption by 972% (26,924 vs 2,512 stars). haystack is written in Python under Apache-2.0; CodeMachine-CLI is written in TypeScript under Apache-2.0. haystack has attracted 13% as many forks as stars, CodeMachine-CLI 9%. haystack was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai, generative-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
| haystack | CodeMachine-CLI | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 2.5K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-04 | 2026-02-25 |
| Forks | ⑂ 3.4K | ⑂ 234 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick haystack if
- You weight community size — 27K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick CodeMachine-CLI if
- You want the CodeMachine-CLI feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and CodeMachine-CLI fits your workflow better
About haystack
🎉🎊✨ Haystack 3.0 is out! ✨🎊🎉 Read the announcement here! 🥳 🎈 🎆 🪅 🎇 🍾 🥂 🎁 🌈 Haystack is an open source AI orchestration framework for building production ready LLM applications in Python. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Build scalable RAG systems, multimodal applications, semantic search, question answering, and autonomous agents, all in a transparent architecture that lets you experiment, customize deeply, and deploy with confidence. Table of Contents Installation Documentation Features Haystack Enterprise: Support &…
read the full haystack overview →
About CodeMachine-CLI
npm i g codemachine CodeMachine is an open source tool that orchestrates AI coding agents into repeatable, long running workflows. ⚡️ Every time you use an AI coding agent, you're running a workflow. Fix a bug? You ask questions, reproduce, analyze, plan, implement, test. Build a feature? You research, design, code, review. The workflow lives in your head. You guide the agent through it, step by step, session by session. But every time you start, you rebuild it from scratch. You re explain the process. You remember to ask the right questions. You manage when to clear context, when to push forward, when to loop…
read the full CodeMachine-CLI overview →
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Frequently asked questions
Is haystack or CodeMachine-CLI more popular?
haystack has 26,924 GitHub stars and CodeMachine-CLI has 2,512. haystack has the larger community by that measure.
Are haystack and CodeMachine-CLI free?
Both are open source. haystack is licensed under Apache-2.0 and CodeMachine-CLI under Apache-2.0. Neither carries a licence fee.
What is the difference between haystack and CodeMachine-CLI?
haystack is written in Python and CodeMachine-CLI in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, haystack or CodeMachine-CLI?
Choose haystack if you want the larger community (26,924 stars) or its Apache-2.0 licence terms. Choose CodeMachine-CLI if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.