model-ids-and-versions changedabout-claude/models/model-ids-and-versions
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3333Claude Opus 4.6 is the last Bedrock model ID to include the `-v1` suffix (`anthropic.claude-opus-4-6-v1`). Anthropic dropped the suffix starting with Claude Sonnet 4.6.
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35On the `bedrock-runtime` endpoint, models that AWS serves through cross-region inference, including Claude Fable 5.2 and Claude Mythos 5.2, take an inference profile ID: the base model ID with a prefix such as `global.` or `us.`, for example `global.anthropic.claude-fable-5-2`. See [API model IDs](https://platform.claude.com/docs/en/build-with-claude/claude-on-amazon-bedrock-legacy#api-model-ids).
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3537On Claude Models on Google Cloud (Google managed), the format matches the Claude API.
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3739### Before the 4.6 generation
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