Reference · Glossary

Canary deployment

Last updated Jul 17, 2026

Releasing a change to **a small slice of traffic first**, watching metrics, then promoting or rolling back.

#When to use

New model versions, prompt changes, or RAG index updates in production.

Low-traffic demos where you can test manually before any deploy.

10% of chat requests hit `gpt-4o-mini-v2` while 90% stay on v1 until error rate stays flat.