Cartesia experienced a minor incident on September 18, 2025, lasting —. The incident has been resolved; the full update timeline is below.
Update timeline
- resolved Sep 18, 2025, 01:54 PM UTC
A recent deployment introduced regressions affecting a subset of text-to-speech (TTS) requests using the latest sonic-2 model ID, including the dated variants sonic-2-2025-05-08 and sonic-2-2025-06-11. Between 1:00–1:30 pm UTC, impacted requests experienced elevated API error rates. The issue was isolated to the affected model IDs and did not impact other TTS models. The incident has been resolved.