An internal configuration error caused text-davinci-002 and code-davinci-002 to receive unanticipated load starting at 21:03 UTC on 2022-09-06. The sudden increase in workload led to increased failure rates and longer response times, negatively impacting customer experience. We reverted the misconfiguration and rebalanced the load.

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To prevent this from happening again, we are working on improving the test coverage for regressions in this area and have improved the rollout logic and alerting to catch issues earlier.