head to head · open source
PageIndex vs Vector
PageIndex has 39,958 GitHub stars, 3,438 forks, 103 open issues and last shipped yesterday. Vector has 22,785 stars, 2,369 forks, 2,512 open issues and last shipped yesterday. PageIndex leads on adoption by 75% (39,958 vs 22,785 stars). PageIndex is written in Python under MIT; Vector is written in Rust under MPL-2.0. PageIndex has attracted 9% as many forks as stars, Vector 10%. Vector was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| PageIndex | Vector | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 23K |
| License | MIT | MPL-2.0 |
| Written in | Python | Rust |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.4K | ⑂ 2.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick PageIndex if
- You weight community size — 40K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Vector if
- You want the Vector feature set and don't need the biggest community
- You prefer the MPL-2.0 license terms
- Your stack matches Rust
- You evaluated both and Vector fits your workflow better
About PageIndex
PageIndex: Vectorless, Reasoning based RAG Reasoning based RAG ◦ No Vector DB, No Chunking ◦ Context Aware Retrieval ◦ Reads Like a Human 🌐 Website • ☁️ Cloud • 📖 Docs • 📝 Blog • ✉️ Contact Updates [Aug '26] 🔥 PageIndex SDK : pip install U pageindex now ships local mode : index, retrieve, and chat entirely on your machine with your own LLM key, or point the same client at PageIndex Cloud with an API key. [Aug '26] ⚡ PageIndex Flash : fast tree index generation for text based PDFs, now the default indexing method in PageIndex SDK local mode. Scale PageIndex to Millions of Documents: PageIndex File System is a…
read the full PageIndex overview →
About Vector
Quickstart • Docs • Guides • Integrations • Chat • Download • Container Images • Rust Crate Docs What is Vector? Vector is a high performance, end to end (agent & aggregator) observability data pipeline that puts you in control of your observability data. [Collect][docs.sources], [transform][docs.transforms], and [route][docs.sinks] all your logs and metrics to any vendors you want today and any other vendors you may want tomorrow. Vector enables dramatic cost reduction, novel data enrichment, and data security where you need it, not where it is most convenient for your…
read the full Vector overview →
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Frequently asked questions
Is PageIndex or Vector more popular?
PageIndex has 39,958 GitHub stars and Vector has 22,785. PageIndex has the larger community by that measure.
Are PageIndex and Vector free?
Both are open source. PageIndex is licensed under MIT and Vector under MPL-2.0. Neither carries a licence fee.
What is the difference between PageIndex and Vector?
PageIndex is written in Python and Vector in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, PageIndex or Vector?
Choose PageIndex if you want the larger community (39,958 stars) or its MIT licence terms. Choose Vector if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.