head to head · open source
PageIndex vs paradedb
PageIndex has 35,765 GitHub stars, 3,152 forks, 103 open issues and last shipped yesterday. paradedb has 9,289 stars, 458 forks, 193 open issues and last shipped today. PageIndex leads on adoption by 285% (35,765 vs 9,289 stars). PageIndex is written in Python under MIT; paradedb is written in Rust under AGPL-3.0. PageIndex has attracted 9% as many forks as stars, paradedb 5%. paradedb 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 | paradedb | |
|---|---|---|
| GitHub stars | ★ 36K | ★ 9.3K |
| License | MIT | AGPL-3.0 |
| Written in | Python | Rust |
| Last push | 2026-09-19 | 2026-09-20 |
| Forks | ⑂ 3.2K | ⑂ 458 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick PageIndex if
- You weight community size — 36K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick paradedb if
- You want the paradedb feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Rust
- You evaluated both and paradedb fits your workflow better
About PageIndex
PageIndex is a vectorless, reasoning based retrieval augmented generation engine written in Python and released under the MIT license. It lives in the AI and machine learning infrastructure ecosystem, with topics spanning RAG, information retrieval, LLM reasoning, context engineering, and agentic AI. Instead of building a vector index, PageIndex generates a hierarchical tree index for each document and then lets a large language model reason its way through that tree, in the same way a human expert turns to the right section of a long report. The project ships as a Python SDK, a hosted cloud service, and a docume…
read the full PageIndex overview →
About paradedb
ParadeDB is an AGPL 3.0 PostgreSQL extension, written in Rust and distributed from the paradedb repository, that upgrades Postgres with full text search, BM25 scoring, vector retrieval, and aggregations so application data and the search engine live in one database — intended for teams that would otherwise deploy and sync a separate search system.
read the full paradedb overview →
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Frequently asked questions
Is PageIndex or paradedb more popular?
PageIndex has 35,765 GitHub stars and paradedb has 9,289. PageIndex has the larger community by that measure.
Are PageIndex and paradedb free?
Both are open source. PageIndex is licensed under MIT and paradedb under AGPL-3.0. Neither carries a licence fee.
What is the difference between PageIndex and paradedb?
PageIndex is written in Python and paradedb 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 paradedb?
Choose PageIndex if you want the larger community (35,765 stars) or its MIT licence terms. Choose paradedb if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.