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llama_index vs LEANN

llama_index and LEANN share 19 technologies: pyzmq, einops, llama-index-embeddings-huggingface, OpenAI, torch, transformers, MCP, sentence-transformers, Ollama, datasets, mlx, mlx-lm, llama-index-readers-file, pymupdf, nbconvert, pdfplumber, pypdf2, psutil, and boto3. Both are written in Python.

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What they share and what sets them apart

run-llama

llama_index

LlamaIndex is the document processing platform for AI

Python52.9kRead on November 13, 2026, at commit baeabbfWhat is llama_index built with?

Only in llama_index

In common

StarTrail-org

LEANN

[MLsys2026 Best Paper]: https://arxiv.org/abs/2506.08276. RAG on Everything with LEANN. Enjoy 97% storage savings while running a fast, accurate, and 100% private RAG application on your personal device.

Python13.8kRead on November 9, 2026, at commit 07796bdWhat is LEANN built with?

Only in LEANN

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
llama_index473,258 lines written2,055 code files
LEANN55,453 lines written86 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
llama_index0.2% of its commits signed by AIWith Claude Code, Cursor, and GitHub Copilot
LEANN11.2% of its commits signed by AIWith Claude Code, Cursor, GitHub Copilot, and Jules
ActivityFrom GitHub and its history, on the day SeeRepo read it.
llama_indexLast push November 11, 20267,967 commits52,885 stars
LEANNLast push November 3, 2026617 commits13,785 stars
TestsThe files that test the code, and the share of code files a test imports.
llama_index1,607 test files46.5% of its code files have a test that imports them
LEANN65 test files36% of its code files have a test that imports them

Frequently asked questions

Which is bigger, llama_index or LEANN?
llama_index, with 473,258 lines written; LEANN has 55,453.

The proof: run-llama/llama_index's code at commit baeabbf

Which has more GitHub stars, llama_index or LEANN?
llama_index, with 52,885 stars; LEANN has 13,785.

The proof: run-llama/llama_index on GitHub

Which has more tests, llama_index or LEANN?
llama_index, with 1,607 test files; LEANN has 65.

The proof: run-llama/llama_index's code at commit baeabbf

Which was updated more recently, llama_index or LEANN?
llama_index: its last push was on November 11, 2026, and LEANN's on November 3, 2026.

The proof: run-llama/llama_index's commits on GitHub

Which has more commits signed by AI, llama_index or LEANN?
LEANN: an AI signed 11.2% of its commits, with Claude Code, Cursor, GitHub Copilot, and Jules; in llama_index, 0.2%.

The proof: the commits each tool signed in StarTrail-org/LEANN

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