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airflow vs flink

airflow and flink share 6 technologies: pyarrow, Apache, OpenTelemetry, org.apache.logging.log4j:log4j-api, org.apache.logging.log4j:log4j-core, and org.slf4j:slf4j-api. airflow is written in Python and flink in Java.

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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 5, 2026, at commit 322c178What is airflow built with?

Only in airflow

In common

apache

flink

Apache Flink

Java26.5kRead on November 8, 2026, at commit 4fb928eWhat is flink built with?

Only in flink

  • apache-client
  • aws-crt-client
  • aws-java-sdk-dynamodb
  • aws-java-sdk-s3
  • fastavro
  • hadoop-aliyun
  • hadoop-apache2
  • hadoop-aws
  • hadoop-azure
  • hadoop-common
  • hadoop-mapreduce-client-core
  • Hive
  • org.apache.hadoop:hadoop-hdfs-client
  • s3
  • s3-transfer-manager
  • zookeeper
  • org.apache.avro:avro
  • org.apache.orc:orc-core
  • org.apache.parquet:parquet-hadoop
  • com.aliyun.oss:aliyun-sdk-oss
  • InfluxDB
  • org.apache.hadoop:hadoop-hdfs
  • io.confluent:kafka-schema-registry-client
  • org.apache.parquet:parquet-avro
  • com.facebook.presto:presto-hive
  • OpenAI
  • grpc-bom
  • org.jetbrains.kotlin:kotlin-stdlib
  • apache-beam
  • Angular
  • aws-java-sdk-sts
  • software.amazon.awssdk:sts
  • org.apache.hadoop:hadoop-minikdc
  • commons-logging
  • hadoop-yarn-common
  • io.opentelemetry:opentelemetry-exporter-logging
  • kubernetes-httpclient-okhttp
  • log4j-layout-template-json
  • metrics-core
  • metrics-graphite
  • org.apache.logging.log4j:log4j-slf4j2-impl
  • Prometheus
  • io.fabric8:kubernetes-client
  • io.opentelemetry:opentelemetry-api
  • io.opentelemetry:opentelemetry-exporter-otlp

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
airflow2,200,257 lines written4,596 code files
flink2,869,317 lines written9,840 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.
airflow0.7% of its commits signed by AIWith Claude Code, GitHub Copilot, Cursor, and Devin
flink0.4% of its commits signed by AIWith Claude Code
ActivityFrom GitHub and its history, on the day SeeRepo read it.
airflowLast push November 5, 202641,804 commits47,376 stars
flinkLast push November 8, 202638,159 commits26,458 stars
TestsThe files that test the code, and the share of code files a test imports.
airflow4,949 test files53.3% of its code files have a test that imports them
flink5,728 test files61.8% of its code files have a test that imports them

Frequently asked questions

Which is bigger, airflow or flink?
flink, with 2,869,317 lines written; airflow has 2,200,257.

The proof: apache/flink's code at commit 4fb928e

Which has more GitHub stars, airflow or flink?
airflow, with 47,376 stars; flink has 26,458.

The proof: apache/airflow on GitHub

Which has more tests, airflow or flink?
flink, with 5,728 test files; airflow has 4,949.

The proof: apache/flink's code at commit 4fb928e

Which was updated more recently, airflow or flink?
flink: its last push was on November 8, 2026, and airflow's on November 5, 2026.

The proof: apache/flink's commits on GitHub

Which has more commits signed by AI, airflow or flink?
airflow: an AI signed 0.7% of its commits, with Claude Code, GitHub Copilot, Cursor, and Devin; in flink, 0.4%.

The proof: the commits each tool signed in apache/airflow

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