Anthropic status: degraded performance for Claude Fable 5

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  Anthropic status: elevated errors for Claude Sonnet 5.5 and other modelsOctober 25, 2026 · Official incident
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  Anthropic status: elevated errors for Claude Fable 5.1October 25, 2026 · Official incident
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  Anthropic status: elevated errors for Claude Fable 5.1, Sonnet 5.5 and Haiku 5.5October 24, 2026 · Official incident
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  Anthropic status: elevated errors for Claude Opus 5.5October 24, 2026 · Official incident
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  Anthropic status: elevated errors for Claude Fable 5 and Fable 5.1October 24, 2026 · Official incident
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  Claude Haiku 5.5 released at $0.10 / $0.50, 90% below Haiku 4.5October 7, 2026 · Release

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