Data and RAG · agent infrastructure component
PageIndex: review, pricing, security and alternatives
PageIndex is an open-source agent infrastructure component published by VectifyAI, in the data and rag family. PageIndex organizes documents into hierarchical indexes for reasoning-based passage retrieval without a vector database. Its repository has 39,609 stars and its last commit is from October 24, 2026.
What PageIndex does
PageIndex belongs to the data and rag family: agents that query databases and company documents to answer questions or produce analyses. On our grid it ranks #4 of the 15 projects of this family listed in the directory.
It is not an agent in itself: it is a component other agents use (memory, isolated execution, web access, model gateway or monitoring). You pick it based on the agent or framework it has to equip.
You use it from: API and developer SDK. Usable models: GPT (OpenAI). It can run on your own machine or server.
Who is PageIndex for?
It is for teams that want an AI to answer from their own documents or databases. Typical tasks people give it:
- query internal documentation in plain language
- ask a database questions without SQL
- index and summarise large file collections
It is a good candidate if your data must stay on your machines.
Access and human control
Its documentation does not detail the access granted to the agent: check the settings before connecting it to your accounts.
We could not establish whether it asks for human approval before sensitive actions: test it first on an unimportant account or folder.
PageIndex pricing
The code is free, under the MIT licence.
Getting started with PageIndex
- Install it: the project ships as a Python package (install with
piporuv). The exact command is in the repository README. - Start with the minimal example from the docs, then add one tool at a time and check what the agent does with it.
- Give it a short, checkable task, review the result and its action log, then raise the difficulty step by step.
Security: risk level
Give it read-only access and check generated queries before any data change.
Three habits: least privilege (minimal rights, dedicated keys), human approval for irreversible actions, a sandbox for code execution. The AI agent security check reviews your setup in a few minutes.
Project activity and releases
Created on April 1, 2025, the VectifyAI/PageIndex repository has 39,609 stars, 3,426 forks and 51 open issues, with 541 commits in total. It received changes this month.
Over the last 52 weeks: 310 commits, an average of 6 per week.
28 releases in total; 23 in the last twelve months. Latest release: v0.4.7, on October 24, 2026.
PageIndex vs other data and rag
GitHub stars of the best-rated open-source projects in the data and rag family. Stars measure attention, not quality: a heavily promoted project collects them fast, a specialised tool will have few.
PageIndex and other data and rag at a glance
The 7 best-ranked agents in the same family, 7 of them open source. The score out of 100 only applies to open-source projects; for proprietary services we show the published entry price. A dash marks information the documentation does not state.
| Agent | Model | Score | Stars or entry price | Self-hostable | Human approval |
|---|---|---|---|---|---|
| PageIndex | open source | 79 | 39.6K ★ | yes | – |
| RAGFlow | open source | 91 | 92.8K ★ | yes | – |
| LlamaIndex | open source | 85 | 52.6K ★ | yes | – |
| MaxKB | open source | 83 | 23K ★ | yes | – |
| txtai | open source | 78 | 13K ★ | yes | – |
| WeKnora | open source | 76 | 35.3K ★ | yes | – |
| Yuxi | open source | 69 | 7.5K ★ | yes | – |
| DeepSearcher | open source | 61 | 8.3K ★ | yes | – |
How we rated it
Score: 79/100, computed only from public, verifiable data, with no subjective testing or partnership:
- Adoption 31/40: 39,609 stars on a log scale (40 points from about 200,000).
- Activity 28/30: last commit less than a month ago, 23 releases in six months, 310 commits in a year.
- Framework 20/30: licence, default human approval, self-hosting, model choice and documentation site.
The score does not say whether the agent will succeed at your tasks: it measures how solid the project is. The full grid is on the method page.
Verdict
PageIndex is a serious option; check the limitations below before granting it access.
Strengths
- Widely followed: 39.6K stars
- Very active development
- Frequent releases (23 in a year)
- Can run on your side: data under control
- Permissive licence (MIT)
Limitations
- Tied to a single model provider (GPT (OpenAI))
Alternatives
Learn more
Frequently asked questions
Is PageIndex free?
The software is free (MIT licence). You still pay for the model calls, unless you use a local model.
Is PageIndex safe?
Our risk level: low. Give it minimum rights and approve irreversible actions.
Which models does PageIndex use?
According to its documentation: GPT (OpenAI).
Can PageIndex be installed on your own server?
Yes, from the VectifyAI/PageIndex repository. Data then stays with you, but security and updates are your job.
What are the alternatives to PageIndex?
In the same family: RAGFlow, LlamaIndex, MaxKB, and txtai.
PageIndex or RAGFlow: what is the difference?
Both belong to the data and rag family. PageIndex has 39.6K stars against 92.8K for RAGFlow. The right choice mostly depends on the access you are willing to give it.
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Neutrality. No affiliate links. No vendor pays to be reviewed, rated or ranked. Reviews are directed by François Chollet, neutral and factual, and every data point is dated and sourced. How we score