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BraintrustIncident · 2026-09-09 21:30 UTC

Slow or failed data loading in US region

ResolvedOfficial update

The issue causing slow or failed data loading in our US-hosted service has been resolved. We're sorry for the disruption.

The latest update from Braintrust.

State

Resolved

Started

53 d ago

2026-09-09 21:30 UTC

Lasted

40 min

until 2026-09-09 22:10 UTC

Worst impact

Partial outage

Timeline

3 updates
21:3021:4021:5022:0022:10
Partial outageUpdate postedTimes in UTC

Investigating

4 min 10%

Monitoring

36 min 90%

Updates

Times in UTC

As posted by Braintrust

Resolved2026-09-09 22:10 UTC

The issue causing slow or failed data loading in our US-hosted service has been resolved. We're sorry for the disruption.

Monitoring2026-09-09 21:34 UTC

We've applied a mitigation for the data-loading issue affecting our US-hosted service and are monitoring performance. We'll share another update once we've confirmed stability.

Investigating2026-09-09 21:30 UTC

We're investigating slow or failed data loading affecting some customers on our US-hosted service. Affected pages may load slowly, hang, or show errors.

Braintrust in the last 90 days

Full history
90 days agoToday

Incidents in 90 days

4

Days with an incident

4

Median duration

59 min

This incident

33% shorter than the median

How long each incident lasted, on the day it started. The outlined bar is this incident.

4 h 33 min
median 59 min
90 days agoToday

Other Braintrust incidents

All incidents

Braintrust·Elevated errors and latency on the US data plane API

The issue has been resolved.

Resolvedresolved 33 d ago

Braintrust·Elevated 5XXs on Control Plane API

The issue causing elevated errors in the Braintrust control plane APIs has been resolved.

Resolvedresolved 58 d ago

Braintrust·Upstream package mirror is degraded, Brainstore is not currently affected

The upstream APT package mirror in AWS us-east-1 has recovered and we're no longer seeing impact when starting new brainstore instances.

Resolvedresolved 74 d ago

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Prompt
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Slack
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