Data Science Brain
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๐Ÿšจ ๐—ฉ๐—ฒ๐—ฐ๐˜๐—ผ๐—ฟ ๐—ฑ๐—ฎ๐˜๐—ฎ๐—ฏ๐—ฎ๐˜€๐—ฒ๐˜€ ๐—ฎ๐—ฟ๐—ฒ ๐—ป๐—ผ ๐—น๐—ผ๐—ป๐—ด๐—ฒ๐—ฟ ๐—ฟ๐—ฒ๐—พ๐˜‚๐—ถ๐—ฟ๐—ฒ๐—ฑ ๐—ณ๐—ผ๐—ฟ ๐—ฅ๐—”๐—š.
I came across a tool called PageIndex this week and honestly didn't expect to be this impressed.

๐˜•๐˜ฐ ๐˜ฆ๐˜ฎ๐˜ฃ๐˜ฆ๐˜ฅ๐˜ฅ๐˜ช๐˜ฏ๐˜จ๐˜ด. ๐˜•๐˜ฐ ๐˜ค๐˜ฉ๐˜ถ๐˜ฏ๐˜ฌ๐˜ช๐˜ฏ๐˜จ. ๐˜•๐˜ฐ ๐˜ท๐˜ฆ๐˜ค๐˜ต๐˜ฐ๐˜ณ ๐˜ด๐˜ฆ๐˜ข๐˜ณ๐˜ค๐˜ฉ.

We've all built RAG systems. You know the drill - split the doc, embed the chunks, find the closest vector match, hope the context is good enough.

The problem? Closest match is not the same as the right answer.

๐—ฃ๐—ฎ๐—ด๐—ฒ๐—œ๐—ป๐—ฑ๐—ฒ๐˜… ๐—ณ๐—น๐—ถ๐—ฝ๐˜€ ๐˜๐—ต๐—ฎ๐˜ ๐—ฒ๐—ป๐˜๐—ถ๐—ฟ๐—ฒ ๐—ฎ๐—ฝ๐—ฝ๐—ฟ๐—ผ๐—ฎ๐—ฐ๐—ต.
Instead of chopping documents into pieces, ๐—ถ๐˜ ๐—ฏ๐˜‚๐—ถ๐—น๐—ฑ๐˜€ ๐—ฎ ๐˜๐—ฟ๐—ฒ๐—ฒ ๐˜€๐˜๐—ฟ๐˜‚๐—ฐ๐˜๐˜‚๐—ฟ๐—ฒ, essentially an AI-native table of contents. When a question comes in, the model doesn't search. It reasons. It walks the tree, eliminates irrelevant branches, and drills into exactly the right section.

Think about how you'd use a textbook. You don't read it cover to cover. You scan the index, find the chapter, jump to the page.
That's the behavior this replicates, but for LLMs.

๐—ง๐—ต๐—ฒ ๐—ป๐˜‚๐—บ๐—ฏ๐—ฒ๐—ฟ๐˜€ ๐—ฏ๐—ฎ๐—ฐ๐—ธ ๐—ถ๐˜ ๐˜‚๐—ฝ:
๐Ÿต๐Ÿด.๐Ÿณ% on FinanceBench, answering real questions from SEC filings and earnings reports. That's not a toy benchmark. That's one of the harder document QA evaluations out there.

Also supports PDFs, markdown, and raw page images without any OCR pipeline.

MIT licensed. Fully open source.

If you're working on document-heavy AI, this is genuinely worth exploring.

GitHub: https://github.com/VectifyAI/PageIndex

โ™ป๏ธ Share if someone on your team needs to see this
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๐Ÿญ - ๐—”๐—ป๐˜๐—ต๐—ฟ๐—ผ๐—ฝ๐—ถ๐—ฐ:
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๐Ÿต - ๐——๐—ฒ๐—ฒ๐—ฝ๐—Ÿ๐—ฒ๐—ฎ๐—ฟ๐—ป๐—ถ๐—ป๐—ด๐—”๐—œ:
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๐Ÿฅฐ2
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