head to head · open source
PageIndex vs VectorDBBench
PageIndex has 39,989 GitHub stars, 3,442 forks, 103 open issues and last shipped today. VectorDBBench has 1,200 stars, 451 forks, 184 open issues and last shipped yesterday. PageIndex leads on adoption by 3,232% (39,989 vs 1,200 stars). PageIndex is written in Python under MIT; VectorDBBench is written in Python under MIT. PageIndex has attracted 9% as many forks as stars, VectorDBBench 38%. PageIndex was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (vector-database), 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
| PageIndex | VectorDBBench | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 1.2K |
| License | MIT | MIT |
| Written in | Python | Python |
| Last push | 2026-11-05 | 2026-11-04 |
| Forks | ⑂ 3.4K | ⑂ 451 |
| 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 VectorDBBench if
- You want the VectorDBBench feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and VectorDBBench 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 VectorDBBench
VectorDBBench(VDBBench): A Benchmark Tool for VectorDB What is VDBBench VDBBench is not just an offering of benchmark results for mainstream vector databases and cloud services, it's your go to tool for the ultimate performance and cost effectiveness comparison. Designed with ease of use in mind, VDBBench is devised to help users, even non professionals, reproduce results or test new systems, making the hunt for the optimal choice amongst a plethora of cloud services and open source vector databases a breeze. Understanding the importance of user experience, we provide an intuitive visual interface. This not only…
read the full VectorDBBench overview →
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Frequently asked questions
Is PageIndex or VectorDBBench more popular?
PageIndex has 39,989 GitHub stars and VectorDBBench has 1,200. PageIndex has the larger community by that measure.
Are PageIndex and VectorDBBench free?
Both are open source. PageIndex is licensed under MIT and VectorDBBench under MIT. Neither carries a licence fee.
What is the difference between PageIndex and VectorDBBench?
PageIndex is written in Python and VectorDBBench 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, PageIndex or VectorDBBench?
Choose PageIndex if you want the larger community (39,989 stars) or its MIT licence terms. Choose VectorDBBench if its feature set, stack or MIT licence fits better. Both are self-hostable.