Claude Fable 5 experiencing degraded performance

lowGitHubCopilotJul 16, 2026 21:05Duration: 59m

api

API Issue

Summary

This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.

Impact

minor

Timeline

Jul 16, 2026 21:05

[investigating] We are investigating reports of degraded performance for Copilot AI Model Providers

via statuspage

+1m

Jul 16, 2026 21:06

[investigating] We are experiencing degraded availability for the Claude Fable 5 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.

via statuspage

+58m

Jul 16, 2026 22:04

[resolved] This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.

via statuspage

Lessons Learned

⚠GitHub has experienced 114 incidents in the past year. This frequency suggests systemic reliability challenges that may warrant additional monitoring.

📊Incidents related to api have occurred 737 times across all providers in the past year. This is one of the most common failure categories in cloud infrastructure.

💡This incident is categorized as: API Issue. Consider implementing preventive measures specific to this failure category.