GeezerVison is showing circleci.com — Fast, reliable continuous integration - CircleCI

New

Smarter Testing is GA: Run fewer tests. Get faster feedback.

Continuous integration, evolved for the AI era

Build, test, and ship faster with Smarter Testing, continuous validation, and automated pipeline maintenance built into the world’s most trusted CI platform.

Start building for free

Book a demo

Trusted by leading engineering teams

Mozilla

Slack

Cypress.io

Cloudsmith

Okta

Ship better code faster

Instant test feedback

Get immediate insights on every commit with automated testing pipelines that catch issues before they reach production.

Explore the benefits of CI

Lightning fast build speeds

Intelligent caching, Smarter Testing, and parallel execution deliver the fastest builds available anywhere.

Learn about pipeline optimizations

Scale with confidence

Support growing teams with a CI platform that automatically scales to handle thousands of builds per day without queuing delays.

Learn about resource classes

Build confidence with every commit

Adaptive test automation

Get 97% faster feedback on your code changes with Smarter Testing and unlimited parallelism.

Learn about Smarter Testing

Built for AI-assisted development at scale

Support AI-driven workflows with smart automation and context-aware pipelines that help teams ship high-quality code faster.

Learn about AI support

Team collaboration

Built-in workflows for code review, test insights, and build visibility keep your whole team aligned and shipping together.

Learn about insights

Automated fixes and pipeline upkeep

CircleCI keeps your builds healthy by detecting and repairing common issues like flaky tests or failed configs.

Learn about autonomous validation

LaunchDarkly

“It’s an absolute imperative to be able to have continuous integration testing to deliver software at the pace we do; we also have to be constantly modifying, updating and expanding our test coverage to make sure we find corner cases when we add new code.”
Adam Zimman | Vice President of Platform at LaunchDarkly
Read more

Get started

Video

GeezerVison

Continuous integration, evolved for the AI era

Trusted by leading engineering teams

Ship better code faster

Instant test feedback

Lightning fast build speeds

Scale with confidence

Build confidence with every commit

Adaptive test automation

Built for AI-assisted development at scale

Team collaboration

Automated fixes and pipeline upkeep

Get started

See CircleCI in action

Intro to continuous integration

Setting up continuous integration with GitHub and CircleCI

CircleCI onboarding toolkit

Run your first microbuild in 5 minutes

The future of CI/CD in the AI era