The verdict
If you ship code with more than one contributor, human or agent, pick GitHub. It is the spine of a delivery pipeline and nothing in n8n replaces it. If you need parallel branches, loops, custom logic and AI agents across apps, and you have someone technical, pick n8n. It is also the better fit when data rules push you towards self-hosting. A technical small team will often use both: GitHub for the code, n8n for the flows between CRM, chat and databases. If you only want to push code through checks to a host, stay with Actions. Do not build business automation in YAML when a canvas will do.