memray vs unsloth

memray and unsloth share 3 technologies: matplotlib, Rich, and jinja2. Both are written in Python.

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What they share and what sets them apart

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
memray42,417 lines written50 code files
unsloth3,889,108 lines written3,532 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.
memray0.2% of its commits signed by AIWith Claude Code and GitHub Copilot
unsloth1% of its commits signed by AIWith Claude Code, Gemini CLI, Cursor, Codex, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
memrayLast push November 4, 20261,439 commits15,417 stars
unslothLast push November 4, 202612,770 commits79,050 stars
TestsThe files that test the code, and the share of code files a test imports.
memray53 test files56% of its code files have a test that imports them
unsloth5,718 test files60.3% of its code files have a test that imports them

Frequently asked questions

Which is bigger, memray or unsloth?
unsloth, with 3,889,108 lines written; memray has 42,417.

The proof: unslothai/unsloth's code at commit a1e340b

Which has more GitHub stars, memray or unsloth?
unsloth, with 79,050 stars; memray has 15,417.

The proof: unslothai/unsloth on GitHub

Which has more tests, memray or unsloth?
unsloth, with 5,718 test files; memray has 53.

The proof: unslothai/unsloth's code at commit a1e340b

Which was updated more recently, memray or unsloth?
Both got their last push on November 4, 2026.

The proof: unslothai/unsloth's commits on GitHub

Which has more commits signed by AI, memray or unsloth?
unsloth: an AI signed 1% of its commits, with Claude Code, Gemini CLI, Cursor, Codex, and GitHub Copilot; in memray, 0.2%.

The proof: the commits each tool signed in unslothai/unsloth

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