Cirrus CI shuts down June 1, 2026. CircleCI gives you the same features you rely on, with added scalability, AI-native tooling, and no vendor lock-in. Switch today.

Circle is a platform for developers and software teams to collaborate, share knowledge, and streamline their development workflows, offering tools and integrations for code review, continuous integration, and project management. Developers can learn about modern development practices, agile methodologies, and DevOps principles to improve collaboration, increase productivity, and deliver high-quality software efficiently.

CircleCI

Cirrus Labs announced they are joining OpenAI, resulting in Cirrus CI shutting down on June 1, 2026. CircleCI positions itself as a migration target, mapping Cirrus CI concepts (tasks→jobs, container→docker executor, etc.) to CircleCI equivalents. Key advantages highlighted include native GitHub/GitLab/Bitbucket support, Apple M4 Pro macOS runners, intelligent test splitting, dynamic configuration, an Orbs ecosystem, and AI-native tooling including an MCP Server and an autonomous CI/CD agent called Chunk. The post includes a migration concept mapping table and details on free tiers for open source projects.

Cirrus CI is shutting down: upgrade to a scalable, AI-ready alternative