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CircleCI VS GitLab CI

Compare CircleCI VS GitLab CI and see what are their differences

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CircleCI logo CircleCI

CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.

GitLab CI logo GitLab CI

GitLab has integrated CI to test, build and deploy your code
  • CircleCI Landing page
    Landing page //
    2023-10-05
  • GitLab CI Landing page
    Landing page //
    2023-07-29

CircleCI features and specs

  • Ease of Use
    CircleCI offers a user-friendly interface and straightforward configuration, making it accessible for both beginners and experienced users.
  • Scalability
    CircleCI easily scales with your project, allowing for flexible resource allocation and handling multiple workflows in parallel.
  • Extensive Integrations
    CircleCI supports a wide range of integrations with various tools and services like GitHub, Bitbucket, Docker, and Slack, enabling seamless workflows.
  • Speed and Performance
    With features like advanced caching, dependency management, and parallelism, CircleCI enables faster builds and quicker feedback cycles.
  • Customizability
    CircleCI provides powerful configuration options through YAML files, allowing users to tailor their CI/CD pipelines to specific project requirements.
  • Free Tier Availability
    CircleCI offers a free plan that includes several features, making it suitable for small projects and open-source contributions.

Possible disadvantages of CircleCI

  • Learning Curve for Advanced Features
    While CircleCI is generally user-friendly, mastering advanced configurations and optimizations can take time and require a deeper understanding of the platform.
  • Cost for Higher Tiers
    The pricing for higher-tier plans can become expensive, especially for large teams or enterprises requiring extensive usage and advanced features.
  • Limited Concurrency in Free Plan
    The free plan has limited concurrent builds, which might not be sufficient for larger projects with high parallelization needs.
  • Occasional Stability Issues
    Users have reported occasional performance and stability issues, particularly during high-demand periods, which can slow down the build process.
  • Configuration Complexity
    If not properly managed, the YAML configuration files can become complex and difficult to maintain for larger projects, leading to potential misconfigurations.

GitLab CI features and specs

  • Integrated Platform
    GitLab CI seamlessly integrates with GitLab's suite of tools, providing a unified platform for SCM, CI/CD, and project management, simplifying workflows.
  • Ease of Use
    The system is user-friendly, with easy setup and configuration through the `.gitlab-ci.yml` file, offering straightforward pipeline definitions.
  • Scalability
    GitLab CI is designed to handle projects of any size, from small businesses to large enterprises, accommodating growth and increased demand efficiently.
  • Extensive Documentation
    There is rich documentation available, which helps users quickly get up to speed and troubleshoot, contributing to easier adoption and problem-solving.
  • Multi-platform Support
    Supports running CI/CD tasks on various platforms, including Linux, Windows, and macOS, providing flexibility in deployment environments.

Possible disadvantages of GitLab CI

  • Resource Consumption
    Running GitLab CI can be resource-intensive, potentially requiring significant computing power for large projects and complex pipelines, which can increase costs.
  • Complexity for Beginners
    For users new to CI/CD, the system can initially seem complex, particularly when dealing with advanced configurations and custom scripts.
  • Limited Plugin Ecosystem
    Compared to competitors, GitLab CI may have a less extensive ecosystem of third-party integrations and plugins, potentially limiting flexibility.
  • Performance Issues
    Some users report performance bottlenecks, especially when dealing with large repositories or concurrent pipelines, which can slow down operations.
  • Security Concerns
    As with any integrated platform that handles source code and deployment, there are security risks if the system is not configured properly.

CircleCI videos

+ Add

CircleCI Part 1: Introduction to Unit Testing and Continuous Integration

More videos:

  • Tutorial - How To Setup CircleCI On Your Next Project (Vue, React, or Angular)

GitLab CI videos

+ Add

Gitlab CI pipeline tutorial for beginners

More videos:

  • Tutorial - GitLab CI/CD Pipeline | GitLab CI/CD Tutorial | Gitlab Tutorial | DevOps Training | Edureka

Category Popularity

0-100% (relative to CircleCI and GitLab CI)

CircleCI

GitLab CI

Continuous Integration
93 93%
Continuous Integration
7% 7
DevOps Tools
93 93%
DevOps Tools
7% 7
Continuous Deployment
93 93%
Continuous Deployment
7% 7
Developer Tools
100 100%
Developer Tools
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare CircleCI and GitLab CI

CircleCI Reviews

The Best Alternatives to Jenkins for Developers
CircleCI is a cloud-based CI/CD platform that has gained significant traction in recent years. With a focus on simplicity and ease of use, CircleCI offers a streamlined approach to automating your build, test, and deployment processes. One of its standout features is its strong support for Docker, making it a great choice for teams working with containerized applications.
Source: morninglif.com
Top 5 Jenkins Alternatives in 2024: Automation of IT Infrastructure Written by Uzair Ghalib on the 02nd Jan 2024
CircleCI– Get unparalleled performance and insights with CircleCI’s interactive dashboard and automatic upgrades – revolutionizing the way you build and deploy your applications.
Source: attuneops.io
Top 10 Most Popular Jenkins Alternatives for DevOps in 2024
CircleCI can be a Jenkins replacement for teams seeking a managed experience where performance and support options are priorities. CircleCI is also investing heavily in building new capabilities that cater to the pipeline requirements of apps using AI and ML.
Source: spacelift.io
35+ Of The Best CI/CD Tools: Organized By Category
CircleCI is a complete CI/CD pipeline tool. You can monitor the statuses of your various pipelines from your dashboard. Additionally, CircleCI helps you manage your build logs, access controls, and testing. It’s one of the most popular DevOps and CI/CD platforms in the world.
Source: www.cloudzero.com
10 Jenkins Alternatives in 2021 for Developers
CircleCI is generally recognized for its flexibility and compatibility. Customization is obviously an important factor when making the switch from Jenkins and CircleCI certainly takes an impressive swing at providing users with a solid collection of features.
Source: solutionsuggest.com

GitLab CI Reviews

Best 8 Ansible Alternatives & equivalent in 2022
GitLab CI is a part of GitLab. It is a web application with an API that stores its state in a database. It is one of the best Ansible analogs that manages projects and provides a friendly user interface, besides offering the advantage of all the features of GitLab.
Source: www.guru99.com
Top 10 Most Popular Jenkins Alternatives for DevOps in 2024
GitLab CI/CD replicates much of Jenkins’ functionality but from a slightly different viewpoint. It’s less complex, yet simultaneously more dependent on manual configuration—GitLab’s catalog of prebuilt pipeline components remains a young beta. However, GitLab CI/CD also has several standout features including the ability to automatically run appropriate build, test, and...
Source: spacelift.io
15 Best Jenkins Alternatives (Open Source & Paid) in 2021
GitLab CI is a part of GitLab. It is a web application with an API that stores its state in a database. It manages projects and provides a friendly user interface, besides offering the advantage of all the features of GitLab.
Source: www.guru99.com

Social recommendations and mentions

Based on our record, CircleCI seems to be a lot more popular than GitLab CI. While we know about 77 links to CircleCI, we've tracked only 3 mentions of GitLab CI. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

CircleCI mentions (77)

  • Improving API Performance In Legacy Systems: A Guide for API Developers
    Tools like Jenkins, GitLab CI/CD, and CircleCI offer capabilities for parallel testing and test caching, allowing multiple tests to run simultaneously. This approach significantly reduces overall testing time and prevents unnecessary delays in deployment. Industry leaders such as Netflix and Amazon employ these practices to minimize outages and maintain high service quality. - Source: dev.to / about 1 month ago
  • Top 17 DevOps AI Tools [2025]
    CircleCI is a leading cloud-based platform for CI/CD that automates the software development process, enabling teams to build, test, and deploy applications with efficiency and precision. By integrating seamlessly with popular version control systems like GitHub, GitLab and Bitbucket, CircleCI enhances collaboration and accelerates development cycles. - Source: dev.to / about 2 months ago
  • Building a serverless GenAI API with FastAPI, AWS, and CircleCI
    GitHub and CircleCI Accounts: You will need a GitHub account to host your project’s repository and a CircleCI account to automate testing and deployment through CI/CD. - Source: dev.to / about 2 months ago
  • CircleCI vs. Jenkins
    CircleCI is a CI/CD platform that automates the process of building, testing, and deploying software. It helps developers integrate code changes more frequently and efficiently, ensuring that software development teams can detect and fix errors quickly. - Source: dev.to / about 2 months ago
  • AIOps, DevOps, MLOps, LLMOps – What’s the Difference?
    CI/CD tools: Tools like Jenkins, CircleCI, and GitLab CI to automate the build and deployment pipeline. - Source: dev.to / 4 months ago
View more

GitLab CI mentions (3)

  • Github Actions to deploy your Terraform code
    Github Actions has many competitors in its category that allow you to run all kinds of code running on containers, such as Gitlab, Jenkins, CircleCI, etc. - Source: dev.to / 12 months ago
  • Top 10 Software Deployment Tools for 2022
    GitLab CI is a complete open-source DevOps platform, delivered as a single application, fundamentally changing how development, security, and ops teams collaborate and build software. GitLab helps teams to improve cycle time from weeks to minutes while reducing development process costs and decreasing time to market. This tool greatly enhances developer productivity. - Source: dev.to / over 2 years ago
  • A Developer's Guide to GitOps
    In modern CI systems, like the ones most commonly used to power GitOps like CircleCI, Github Actions, Gitlab CI, etc., the configurations powering the pipelines live directly in the Git repository. Just like the source code for the application, these configurations are version controlled and visible to every developer working on the project. Not only can they see what the pipeline process is, but they can also... - Source: dev.to / about 3 years ago

What are some alternatives?

When comparing CircleCI and GitLab CI, you can also consider the following products

Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development

Codeship - Codeship is a fast and secure hosted Continuous Delivery platform that scales with your needs.

Bitrise - Tens of thousands of agencies, startups and enterprise companies with mobile apps - including Runkeeper, Grindr, Duolingo and more - use Bitrise to automate their way to increased productivity & speed

Travis CI - Simple, flexible, trustworthy CI/CD tools. Join hundreds of thousands who define tests and deployments in minutes, then scale up simply with parallel or multi-environment builds using Travis CI’s precision syntax—all with the developer in mind.

Shippable - Add continuous integration and deployment to your GitHub repositories in a few minutes.

Buddy - The simplest CI/CD tool ever made, acclaimed by top developers worldwide. It uses delivery pipelines to build, test and deploy software. Pipelines are created with over 100 ready-to-use actions, that can be arranged in any way.

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