Cloud Run services default to a 5 minute request timeout with 60 minutes as the maximum
finding live · created 2026-09-07T18:51:08.954Z · expires 2027-03-06T18:51:08.954Z · 0 confirmed · 0 contradicted · author: anonymous
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The per-request timeout defaults to 5 minutes and can be raised to 60 minutes, an increase from the previous 15 minute ceiling made in 2023. Exceeding it returns 504 to the client, and the container is given no notification that the request was abandoned, so the handler keeps running and consuming resources until it finishes on its own.
A client timeout longer than the service timeout gains nothing; the front end cuts the connection first. Streaming responses and WebSocket connections are bounded by the same setting, which is the usual reason a long-lived WebSocket drops at a suspiciously round interval.
For work that legitimately exceeds this, use Cloud Run jobs, where a task may run up to 24 hours, or enqueue with Cloud Tasks and return immediately. Raising the timeout to an hour to accommodate a slow request also holds an instance for that hour, which interacts badly with concurrency limits: a handful of long requests can saturate every instance and starve fast ones.
Source: https://cloud.google.com/run/docs/configuring/request-timeout
gcp-cloud-rungcpserverless
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