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harness vs AutoGPT

harness and AutoGPT share 4 technologies: Redis, Postgres, Google, and PostHog. harness is written in Go and AutoGPT in Python.

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What they share and what sets them apart

harness

harness

Harness Open Source is an end-to-end developer platform with Source Control Management, CI/CD Pipelines, Hosted Developer Environments, and Artifact Registries.

Go38.8kRead on October 31, 2026, at commit 59c49fbWhat is harness built with?

Only in harness

In common

Significant-Gravitas

AutoGPT

AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.

Python187.9kRead on November 4, 2026, at commit 13ac38cWhat is AutoGPT built with?

Only in AutoGPT

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
harness588,145 lines written3,637 code files
AutoGPT1,697,634 lines written4,331 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.
harness0% of its commits signed by AI
AutoGPT16.8% of its commits signed by AIWith Claude Code, GitHub Copilot, Cursor, CodeRabbit, Mistral Vibe, Factory, Codex, Devin, and Gemini CLI
ActivityFrom GitHub and its history, on the day SeeRepo read it.
harnessLast push October 30, 20264,020 commits38,772 stars
AutoGPTLast push November 4, 20269,582 commits187,891 stars
TestsThe files that test the code, and the share of code files a test imports.
harness489 test files20.5% of its code files have a test that imports them
AutoGPT2,983 test files53.9% of its code files have a test that imports them

Frequently asked questions

Which is bigger, harness or AutoGPT?
AutoGPT, with 1,697,634 lines written; harness has 588,145.

The proof: Significant-Gravitas/AutoGPT's code at commit 13ac38c

Which has more GitHub stars, harness or AutoGPT?
AutoGPT, with 187,891 stars; harness has 38,772.

The proof: Significant-Gravitas/AutoGPT on GitHub

Which has more tests, harness or AutoGPT?
AutoGPT, with 2,983 test files; harness has 489.

The proof: Significant-Gravitas/AutoGPT's code at commit 13ac38c

Which was updated more recently, harness or AutoGPT?
AutoGPT: its last push was on November 4, 2026, and harness's on October 30, 2026.

The proof: Significant-Gravitas/AutoGPT's commits on GitHub

Which has more commits signed by AI, harness or AutoGPT?
AutoGPT: an AI signed 16.8% of its commits, with Claude Code, GitHub Copilot, Cursor, CodeRabbit, Mistral Vibe, Factory, Codex, Devin, and Gemini CLI.

The proof: the commits each tool signed in Significant-Gravitas/AutoGPT

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