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adk-python vs prefect

adk-python and prefect share 9 technologies: FastAPI, aiosqlite, SQLite, starlette, uvicorn, cryptography, Pydantic, jsonschema, and OpenTelemetry. Both are written in Python.

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What they share and what sets them apart

google

adk-python

An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

Python22.1kRead on November 5, 2026, at commit 54a6bbbWhat is adk-python built with?

Only in adk-python

  • Google
  • google-auth
  • authlib
  • opentelemetry-api

In common

PrefectHQ

prefect

Prefect is a workflow orchestration framework for building resilient data pipelines in Python.

Python24.1kRead on November 4, 2026, at commit 60d9ea5What is prefect built with?

Only in prefect

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
adk-python811,720 lines written932 code files
prefect945,152 lines written2,114 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.
adk-python0% of its commits signed by AIWith Gemini CLI and Jules
prefect9.7% of its commits signed by AIWith Devin, Claude Code, Codex, GitHub Copilot, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
adk-pythonLast push November 5, 20265,111 commits22,107 stars
prefectLast push November 4, 202618,695 commits24,112 stars
TestsThe files that test the code, and the share of code files a test imports.
adk-python864 test files74.4% of its code files have a test that imports them
prefect1,242 test files26.9% of its code files have a test that imports them

Frequently asked questions

Which is bigger, adk-python or prefect?
prefect, with 945,152 lines written; adk-python has 811,720.

The proof: PrefectHQ/prefect's code at commit 60d9ea5

Which has more GitHub stars, adk-python or prefect?
prefect, with 24,112 stars; adk-python has 22,107.

The proof: PrefectHQ/prefect on GitHub

Which has more tests, adk-python or prefect?
prefect, with 1,242 test files; adk-python has 864.

The proof: PrefectHQ/prefect's code at commit 60d9ea5

Which was updated more recently, adk-python or prefect?
adk-python: its last push was on November 5, 2026, and prefect's on November 4, 2026.

The proof: google/adk-python's commits on GitHub

Which has more commits signed by AI, adk-python or prefect?
prefect: an AI signed 9.7% of its commits, with Devin, Claude Code, Codex, GitHub Copilot, and Cursor.

The proof: the commits each tool signed in PrefectHQ/prefect

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