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scalene vs llama_index

scalene and llama_index share 5 technologies: Rich, lxml, jinja2, Pydantic, and psutil. Both are written in Python.

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What they share and what sets them apart

plasma-umass

scalene

Scalene: a high-performance, high-precision CPU, GPU, and memory profiler for Python with AI-powered optimization proposals

Python13.6kRead on November 9, 2026, at commit ba0896dWhat is scalene built with?

Only in scalene

In common

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

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
scalene60,118 lines written87 code files
llama_index473,258 lines written2,055 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.
scalene4% of its commits signed by AIWith Claude Code and GitHub Copilot
llama_index0.2% of its commits signed by AIWith Claude Code, Cursor, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
scaleneLast push November 9, 20263,270 commits13,555 stars
llama_indexLast push November 11, 20267,967 commits52,885 stars
TestsThe files that test the code, and the share of code files a test imports.
scalene237 test files50.6% of its code files have a test that imports them
llama_index1,607 test files46.5% of its code files have a test that imports them

Frequently asked questions

Which is bigger, scalene or llama_index?
llama_index, with 473,258 lines written; scalene has 60,118.

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

Which has more GitHub stars, scalene or llama_index?
llama_index, with 52,885 stars; scalene has 13,555.

The proof: run-llama/llama_index on GitHub

Which has more tests, scalene or llama_index?
llama_index, with 1,607 test files; scalene has 237.

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

Which was updated more recently, scalene or llama_index?
llama_index: its last push was on November 11, 2026, and scalene's on November 9, 2026.

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

Which has more commits signed by AI, scalene or llama_index?
scalene: an AI signed 4% of its commits, with Claude Code and GitHub Copilot; in llama_index, 0.2%.

The proof: the commits each tool signed in plasma-umass/scalene

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