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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 22 Oct 2026
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model-ids-and-versions changedabout-claude/models/model-ids-and-versions

Nearest release: v2.1.309, published an hour before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

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First seen 14 Aug 2026 this site's first read of the page
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3232 
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 Google Cloud, the format matches the Claude API.
35On Claude Models on Google Cloud (Google managed), the format matches the Claude API.
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3737### Before the 4.6 generation
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5353For example: `anthropic.claude-sonnet-4-5-20250929-v1:0`
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55On Google Cloud, the date is separated with `@`:
55On Claude Models on Google Cloud (Google managed), the date is separated with `@`:
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5757```text wrap
5858claude-{name}-{major}-{minor}@{YYYYMMDD}
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8181## Current model IDs
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83For the full list of current model IDs and their Amazon Bedrock and Google Cloud equivalents, see [Models overview](https://platform.claude.com/docs/en/models/overview).
83For the full list of current model IDs and their Amazon Bedrock and Claude Models on Google Cloud (Google managed) equivalents, see [Models overview](https://platform.claude.com/docs/en/models/overview).
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