Is Nebius AI Studio down? › Outage history › Aug 19, 2026

Nebius AI Studio partial outage on Aug 19, 2026: what happened

On Aug 19, 2026, the Nebius status page reported "Region us-central1 partial degradation". About 21 hours 33 min: from Aug 19, 2026, 10:43 UTC to Aug 20, 2026, 08:16 UTC, by the official start and resolution times.

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At our last refresh (Oct 22, 2026, 12:35 UTC) Nebius AI Studio was up: All Systems Operational.

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Started
Aug 19, 2026, 10:43 UTC
Resolved
Aug 20, 2026, 08:16 UTC
Duration
21 hours 33 min
Official impact
Major
Affected
Compute Cloud, Object Storage, Virtual Private Cloud (Networking), Managed Service for Kubernetes, Token Factory, Managed Service for MLflow, Managed Service for PostgreSQL, Managed Service for SkyPilot, Serverless AI, US-CENTRAL1 - Compute Cloud, US-CENTRAL1 - Object Storage, US-CENTRAL1 - Token Factory, US-CENTRAL1 - Virtual Private Cloud (Networking), US-CENTRAL1 - Managed Service for Kubernetes, US-CENTRAL1 - Managed Service for MLflow, US-CENTRAL1 - Managed Service for PostgreSQL, US-CENTRAL1 - Managed Service for SkyPilot, US-CENTRAL1 - Serverless AI
Source
Region us-central1 partial degradation on the Nebius status page

The Nebius status page rated the impact "Major": a partial outage. Some parts or some users were affected; it was not a complete outage.

What caused the Nebius AI Studio partial outage?

"The root cause was fixed, and the situation is stabilizing."

From the Nebius status page, Aug 19, 2026, 12:52 UTC.

When was it fixed?

The Nebius status page marked it resolved at Aug 20, 2026, 08:16 UTC, 21 hours 33 min after it started.

Timeline of official updates

Every update the Nebius status page posted, oldest first. Times are UTC.

  1. Aug 19, 2026, 10:43 UTC investigating

    We are currently investigating this issue.

  2. Aug 19, 2026, 11:18 UTC identified

    The root cause has been identified as overheating hardware. GPU performance is impacted, and some nodes may be unavailable.

  3. Aug 19, 2026, 12:20 UTC identified

    We are still experiencing temperature issues in the us-central1. Team is working on it

  4. Aug 19, 2026, 12:52 UTC identified

    The root cause was fixed, and the situation is stabilizing. The services are recovering.

  5. Aug 19, 2026, 13:49 UTC identified

    Services are gradually continuing to recover.

  6. Aug 19, 2026, 15:06 UTC identified

    Services are still gradually continuing to recover. Some virtual machines are already running, but not all of them.

  7. Aug 19, 2026, 16:00 UTC identified

    Services are still gradually continuing to recover. Many of the virtual machines are already running, but not all of them.

  8. Aug 19, 2026, 17:26 UTC identified

    Most nodes are operating normally. The Managed Service for Kubernetes is experiencing a partial outage, and the team is actively working to restore it.

  9. Aug 19, 2026, 19:13 UTC identified

    Most nodes are operating normally. The Managed Service for Kubernetes is still degraded, but the situation is improving.

  10. Aug 19, 2026, 20:50 UTC identified

    The Managed Service for Kubernetes is nearly fully restored, though a subset of nodes remains unavailable.

  11. Aug 19, 2026, 21:59 UTC identified

    Most critical issues have been resolved and the region is operational, though a subset of nodes remains unavailable.

  12. Aug 20, 2026, 08:16 UTC resolved

    This incident has been resolved.

The official incident report

Published Sep 1, 2026, 09:15 UTC.

[https://nebius.com/blog/posts/incident-post-mortem-analysis-us-central1-service-disruption-on-august-19](https://nebius.com/blog/posts/incident-post-mortem-analysis-us-central1-service-disruption-on-august-19)

Read the full report on the Nebius status page

Nebius AI Studio partial outage questions

What caused the Nebius AI Studio partial outage on Aug 19, 2026?

The Nebius status page said (update at Aug 19, 2026, 12:52 UTC): "The root cause was fixed, and the situation is stabilizing."

When was the Nebius AI Studio partial outage on Aug 19, 2026 fixed?

The Nebius status page marked it resolved at Aug 20, 2026, 08:16 UTC, 21 hours 33 min after it started.

How long did the Nebius AI Studio partial outage last?

About 21 hours 33 min: from Aug 19, 2026, 10:43 UTC to Aug 20, 2026, 08:16 UTC, by the official start and resolution times.

Was Nebius AI Studio completely down?

No. The Nebius status page rated the impact "Major": a partial outage. Some parts or some users were affected; it was not a complete outage. The affected parts listed were: Compute Cloud, Object Storage, Virtual Private Cloud (Networking), Managed Service for Kubernetes, Token Factory, Managed Service for MLflow, Managed Service for PostgreSQL, Managed Service for SkyPilot, Serverless AI, US-CENTRAL1 - Compute Cloud, US-CENTRAL1 - Object Storage, US-CENTRAL1 - Token Factory, US-CENTRAL1 - Virtual Private Cloud (Networking), US-CENTRAL1 - Managed Service for Kubernetes, US-CENTRAL1 - Managed Service for MLflow, US-CENTRAL1 - Managed Service for PostgreSQL, US-CENTRAL1 - Managed Service for SkyPilot, US-CENTRAL1 - Serverless AI.

Which parts of Nebius AI Studio were affected?

The Nebius status page listed: Compute Cloud, Object Storage, Virtual Private Cloud (Networking), Managed Service for Kubernetes, Token Factory, Managed Service for MLflow, Managed Service for PostgreSQL, Managed Service for SkyPilot, Serverless AI, US-CENTRAL1 - Compute Cloud, US-CENTRAL1 - Object Storage, US-CENTRAL1 - Token Factory, US-CENTRAL1 - Virtual Private Cloud (Networking), US-CENTRAL1 - Managed Service for Kubernetes, US-CENTRAL1 - Managed Service for MLflow, US-CENTRAL1 - Managed Service for PostgreSQL, US-CENTRAL1 - Managed Service for SkyPilot, US-CENTRAL1 - Serverless AI.

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Quotes are the Nebius status page's own words, from the official incident. Is It Up or Down is independent and not affiliated with Nebius AI Studio. Times are UTC.