> ## Documentation Index
> Fetch the complete documentation index at: https://docs.apiyi.com/llms.txt
> Use this file to discover all available pages before exploring further.

# claude-fable-5 Frequent 503s · Availability Still Weak

> claude-fable-5 is currently returning frequent 503 errors, originating from upstream AWS Bedrock's ServiceUnavailableException, failing after 3 retries. This is upstream Bedrock capacity strain, not an APIYI quota issue. Although supply was restored on 7/1, availability remains weak and unstable. We are tracking the official recovery.

**2026/7/1 19:59 (UTC+8)** · Model Status · Anthropic

⚠️ **`claude-fable-5` Frequent 503s · Availability Still Weak**

The errors originate upstream from AWS Bedrock: `InvokeModelWithResponseStream` triggers `ServiceUnavailableException` (503) and fails after 3 consecutive retries. This is upstream Bedrock capacity strain, not an APIYI account-pool or quota issue. Although supply was restored on 7/1, `claude-fable-5` availability is still fairly poor with fluctuating stability.

We continue to track AWS's official recovery and will keep you updated.

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