App Engine vs Cloud Run: Google Picked a Side. Your Bill Might Not Agree

· Aleksei Aleinikov · Sept. 7, 2026, 5:53 a.m.
Serverless Google Cloud cloud-migration app engine Google Cloud Platform app engine Cloud Run Cost Comparison
Summary
Google now recommends Cloud Run over App Engine, but an always-on Cloud Run instance may cost more per vCPU-hour than App Engine flexible instances. This post discusses potential savings and the challenges that come with migrating from App Engine to Cloud Run.
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