# Degraded TTS

- Provider: [Bland AI](https://down.guide/providers/bland)
- Confidence: Confirmed
- Impact: Partial outage
- lasted 0m
- started 2026-03-04 17:30 UTC
- id: DWN-3f3a06ab52
- Official page: https://stspg.io/jgqy61y13mqt

## Root cause
> Our BTTS service experienced degraded performance due to a failure in our underlying cloud infrastructure's ability to scale compute capacity to meet demand.

Category: Capacity. [Postmortem](https://stspg.io/jgqy61y13mqt)

## Updates from Bland AI
### 2026-03-04 17:30 UTC: resolved
Our BTTS service experienced degraded performance due to a failure in our underlying cloud infrastructure's ability to scale compute capacity to meet demand. This resulted in agents stuttering, failing to vocalize responses, increased latency, or producing incomplete audio output during the affected window, for calls that utilize BTTS v2 voices. The timeline was as follows:
6:00 AM PST: BTTS model began failing to scale due to insufficient compute capacity in its assigned cloud cluster.
6:30 AM PST: An automated alert fired but was misconfigured as non-critical and was not actioned.
~8:00 AM PST: Rising call volume exceeded available capacity, causing noticeable impact to production calls.
9:11 AM PST: We identified degraded performance through internal monitoring and began investigating.
9:32 AM PST: BTTS compute was migrated to a separate cloud cluster with available capacity. Scaling resumed normally and performance returned to baseline.

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