head to head · open source
vllm vs PageIndex
vllm has 96,158 GitHub stars, 24,317 forks, 7,953 open issues and last shipped yesterday. PageIndex has 39,958 stars, 3,438 forks, 103 open issues and last shipped yesterday. vllm leads on adoption by 141% (96,158 vs 39,958 stars). vllm is written in Python under Apache-2.0; PageIndex is written in Python under MIT. vllm has attracted 25% as many forks as stars, PageIndex 9%. vllm was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (llm), 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
| vllm | PageIndex | |
|---|---|---|
| GitHub stars | ★ 96K | ★ 40K |
| License | Apache-2.0 | MIT |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 24K | ⑂ 3.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick vllm if
- You weight community size — 96K 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 PageIndex if
- You want the PageIndex feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and PageIndex fits your workflow better
About vllm
Easy, fast, and cheap LLM serving for everyone 🔥 We have built a vLLM website to help you get started with vLLM. Please visit vllm.ai to learn more. For events, please visit vllm.ai/events to join us. About vLLM is a fast and easy to use library for LLM inference and serving. Originally developed in the Sky Computing Lab at UC Berkeley, vLLM has grown into one of the most active open source AI projects built and maintained by a diverse community of many dozens of academic institutions and companies from over 2000 contributors. vLLM is fast with: State of the art serving throughput Efficient management of…
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 →
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Frequently asked questions
Is vllm or PageIndex more popular?
vllm has 96,158 GitHub stars and PageIndex has 39,958. vllm has the larger community by that measure.
Are vllm and PageIndex free?
Both are open source. vllm is licensed under Apache-2.0 and PageIndex under MIT. Neither carries a licence fee.
What is the difference between vllm and PageIndex?
vllm is written in Python and PageIndex 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, vllm or PageIndex?
Choose vllm if you want the larger community (96,158 stars) or its Apache-2.0 licence terms. Choose PageIndex if its feature set, stack or MIT licence fits better. Both are self-hostable.