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[ARTICLE · art-62821] src=githubstatus.com ↗ pub= topic=ai-products verified=true sentiment=↓ negative

Claude Fable 5 experiencing degraded performance

Anthropic's Claude Fable 5 model is experiencing degraded availability in GitHub Copilot products and IDE surfaces due to an issue with an upstream model provider, with the incident now resolved as of July 16 at 22:04 UTC.

read1 min views62 publishedJul 16, 2026

Jul 16, 22:04 UTC

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.

Jul 16, 21:06 UTC

Update - 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.

Jul 16, 21:05 UTC

Investigating - We are investigating reports of degraded performance for Copilot AI Model Providers

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