Changes / GitHub Copilot / Incident with Copilot AI Model Providers

GitHub Copilot: Critical incident: Incident with Copilot AI Model Providers

Summary

GitHub reported a critical degradation affecting Kimi K3 in Copilot products and IDE surfaces, with elevated error rates; no other models were impacted. The incident started at 2026-08-27 10:04 UTC and was resolved at 2026-08-27 12:12 UTC, lasting 2 h 8 min. GitHub attributed it to an upstream provider issue, resolved through the provider’s mitigation.

Machine-written from the diff below (Sol; type: incident degradation). Check the diff before relying on it.

Major incidentLabel: degradation (model (Jev), 74%)Changed Detected Source: stspg.io (opens in new tab)

What changed

AddedTitle#1
Before: not present
After: Incident with Copilot AI Model Providers
AddedImpact#2
Before: not present
After: critical
AddedStatus#3
Before: not present
After: resolved
AddedStart time#4
Before: not present
After: 2026-08-27 10:04 UTC
AddedResolved time#5
Before: not present
After: 2026-08-27 12:12 UTC
AddedAffected components#6
Before: not present
After: Copilot AI Model Providers
AddedUpdateinvestigating#7
Before: not present
After: We are investigating reports of degraded availability for Copilot AI Model Providers
AddedUpdateinvestigating#8
Before: not present
After: We are experiencing degraded availability for the Kimi K3 model in Copilot products and IDE surfaces. This is due to an issue with an upstream model provider. While we work with them to resolve the issue, we recommend choosing another model or selecting 'Auto' to continue using Copilot.
AddedUpdateinvestigating#9
Before: not present
After: Copilot AI Model Providers is experiencing degraded performance. We are continuing to investigate.
AddedUpdateinvestigating#10
Before: not present
After: The issues with our upstream model provider have been mitigated, and Kimi K3 is once again available in Copilot products and IDE surfaces.<br />We will continue monitoring to ensure stability.
AddedUpdateresolved#11
Before: not present
After: On August 27th, 2026, between approximately 09:20 and 12:14 UTC, the Copilot service experienced a degradation of the Kimi K3 model due to an issue with our upstream provider. Users encountered elevated error rates when using Kimi K3. No other models were impacted. <br /><br />The issue was resolved by a mitigation put in place by our provider. GitHub is working with our provider to further improve the resiliency of the service to prevent similar incidents in the future.

First version of this incident archived by Rewindex. View the live incident (opens in new tab).

History of this incident

When (UTC)ChangeKind
Critical incident: Incident with Copilot AI Model Providers (this change)
GitHub reported a critical degradation affecting Kimi K3 in Copilot products and IDE surfaces, with elevated error rates; no other models were impacted. The incident started at 2026-08-27 10:04 UTC and was resolved at 2026-08-27 12:12 UTC, lasting 2 h 8 min. GitHub attributed it to an upstream provider issue, resolved through the provider’s mitigation.
Major incident

All GitHub Copilot changes → · GitHub Copilot profile · Markdown · JSON