<ul data-eligibleForWebStory="true">GitHub Actions and CircleCI remain popular CI/CD platforms in 2025 for modern software development.Automating builds and deployments is crucial due to faster release cycles and distributed teams.GitHub Actions is integrated within GitHub, using YAML configuration files, ideal for GitHub users.It supports various workflows like builds, tests, deployments, with a marketplace for actions.CircleCI is a cloud-native platform with strong performance, flexibility, and scalability.It supports Docker, Linux, macOS, Windows environments, and offers advanced features like parallelism.CircleCI supports projects from GitHub or Bitbucket, with a rich UI and native Docker support.Both platforms offer unique strengths, GitHub Actions for GitHub users and CircleCI for advanced CI/CD control.GitHub Actions is best for integration with GitHub and lightweight automation needs.CircleCI suits engineering teams desiring advanced CI/CD features, faster builds, and detailed insights.