head to head · open source
haystack vs CodeMachine-CLI
haystack has 26,559 GitHub stars, 3,153 forks, 143 open issues and last shipped yesterday. CodeMachine-CLI has 2,510 stars, 238 forks, 9 open issues and last shipped 7 months ago. haystack leads on adoption by 958% (26,559 vs 2,510 stars). haystack is written in Python under Apache-2.0; CodeMachine-CLI is written in TypeScript under Apache-2.0. haystack has attracted 12% 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 | 2026-09-19 | 2026-02-25 |
| Forks | ⑂ 3.2K | ⑂ 238 |
| 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 is an open source AI orchestration framework written in Python under the Apache 2.0 licence, for building context engineered, production ready large language model applications as modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation, and it is aimed at developers and teams building scalable agents, retrieval augmented generation, multimodal applications, semantic search, question answering, and conversational systems.
read the full haystack overview →
About CodeMachine-CLI
CodeMachine is an open source orchestration layer, written in TypeScript and released under the Apache 2.0 licence, that runs AI coding command line agents through structured, repeatable workflows for developers and teams who want long running agent work defined once and executed the same way on every project.
read the full CodeMachine-CLI overview →
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Frequently asked questions
Is haystack or CodeMachine-CLI more popular?
haystack has 26,559 GitHub stars and CodeMachine-CLI has 2,510. 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 (26,559 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.