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airflow vs phoenix

airflow and phoenix share 17 technologies: FastAPI, aiosqlite, pyarrow, SQLite, uvicorn, Vite, React, SQLAlchemy, alembic, sqlglot, pydantic-ai-slim, jinja2, Pydantic, jsonschema, OpenTelemetry, psutil, and React Hook Form. airflow is written in Python and phoenix in TypeScript.

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What they share and what sets them apart

apache

airflow

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

Python47.4kRead on November 10, 2026, at commit 2b59699What is airflow built with?

Only in airflow

In common

Arize-ai

phoenix

AI Observability & Evaluation

TypeScript12.2kRead on November 11, 2026, at commit 5a33185What is phoenix built with?

Only in phoenix

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
airflow2,186,846 lines written4,688 code files
phoenix1,011,392 lines written3,045 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.
airflow0.8% of its commits signed by AIWith Claude Code, GitHub Copilot, Cursor, and Devin
phoenix5.4% of its commits signed by AIWith Claude Code, Cursor, GitHub Copilot, and Factory
ActivityFrom GitHub and its history, on the day SeeRepo read it.
airflowLast push November 10, 202641,951 commits47,436 stars
phoenixLast push November 11, 202610,411 commits12,244 stars
TestsThe files that test the code, and the share of code files a test imports.
airflow4,994 test files52.8% of its code files have a test that imports them
phoenix1,083 test files27.7% of its code files have a test that imports them

Frequently asked questions

Which is bigger, airflow or phoenix?
airflow, with 2,186,846 lines written; phoenix has 1,011,392.

The proof: apache/airflow's code at commit 2b59699

Which has more GitHub stars, airflow or phoenix?
airflow, with 47,436 stars; phoenix has 12,244.

The proof: apache/airflow on GitHub

Which has more tests, airflow or phoenix?
airflow, with 4,994 test files; phoenix has 1,083.

The proof: apache/airflow's code at commit 2b59699

Which was updated more recently, airflow or phoenix?
phoenix: its last push was on November 11, 2026, and airflow's on November 10, 2026.

The proof: Arize-ai/phoenix's commits on GitHub

Which has more commits signed by AI, airflow or phoenix?
phoenix: an AI signed 5.4% of its commits, with Claude Code, Cursor, GitHub Copilot, and Factory; in airflow, 0.8%.

The proof: the commits each tool signed in Arize-ai/phoenix

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