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Sweep 10 Nov 2026 · 02:18Z Build v2.1.322 539 read Stable v2.1.311 Latest v2.1.322 Next v2.1.322 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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handle-streaming-refusals changedtest-and-evaluate/strengthen-guardrails/handle-streaming-refusals

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2525 - claude-sonnet-4-5-20250929
2626 supportedPlatforms:
2727 Claude API: stable
28 Claude Platform on AWS: stable
2928 Amazon Bedrock: stable
30 Amazon Bedrock (InvokeModel): stable
29 Amazon Bedrock (bedrock-runtime): stable
30 Claude Platform on AWS: stable
3131 Claude Models on Google Cloud (Google managed): stable
3232 Microsoft Foundry: stable
3333---
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9191 
9292<CodeGroup exclude="shell:cURL, shell:CLI">
9393 <CodeGroupItem language="cURL">
94 Detecting a refusal in the stream and resetting the conversation needs more logic than a single shell command. Use the [Claude SDK](https://platform.claude.com/docs/en/cli-sdks-libraries/overview) to run it.
94 Detecting a refusal in the stream and resetting the conversation needs more logic than a single shell command. Use the [Anthropic SDK](https://platform.claude.com/docs/en/cli-sdks-libraries/overview) to run it.
9595 </CodeGroupItem>
9696 
9797 <CodeGroupItem language="CLI">
98 Detecting a refusal in the stream and resetting the conversation needs more logic than a single shell command. Use the [Claude SDK](https://platform.claude.com/docs/en/cli-sdks-libraries/overview) to run it.
98 Detecting a refusal in the stream and resetting the conversation needs more logic than a single shell command. Use the [Anthropic SDK](https://platform.claude.com/docs/en/cli-sdks-libraries/overview) to run it.
9999 </CodeGroupItem>
100100 
101101 ```python Python
from line 383
383383* Availability: Always on
384384* Usage: The stream ends with `stop_reason` `"refusal"`, and `stop_details` (`category` and `explanation`) arrives on the `message_delta` event.
385385 
386| Status | Cloud platforms |
387| --------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
388| Available | Claude API, [Claude Platform on AWS](https://platform.claude.com/docs/en/build-with-claude/claude-platform-on-aws), [Amazon Bedrock](https://platform.claude.com/docs/en/build-with-claude/claude-in-amazon-bedrock), [Amazon Bedrock (InvokeModel)](https://platform.claude.com/docs/en/build-with-claude/claude-on-amazon-bedrock-legacy), [Claude Models on Google Cloud (Google managed)](https://platform.claude.com/docs/en/build-with-claude/claude-models-on-google-cloud/google-managed), [Microsoft Foundry](https://platform.claude.com/docs/en/build-with-claude/claude-in-microsoft-foundry) |
386| Status | Cloud platforms |
387| --------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
388| Available | Claude API, [Amazon Bedrock](https://platform.claude.com/docs/en/build-with-claude/claude-in-amazon-bedrock), [Amazon Bedrock (bedrock-runtime)](https://platform.claude.com/docs/en/build-with-claude/claude-on-amazon-bedrock-legacy), [Claude Platform on AWS](https://platform.claude.com/docs/en/build-with-claude/claude-platform-on-aws), [Claude Models on Google Cloud (Google managed)](https://platform.claude.com/docs/en/build-with-claude/claude-models-on-google-cloud/google-managed), [Microsoft Foundry](https://platform.claude.com/docs/en/build-with-claude/claude-in-microsoft-foundry) |
389389 
390390#### [Managed Agents](https://platform.claude.com/docs/en/managed-agents/overview)
391391 
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