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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Code CLI 28 Aug 2026
One change · claude-code

Claude Code on Amazon Bedrock changedamazon-bedrock

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101101 <Step title="Follow the wizard prompts">
102 Choose how you authenticate to AWS: an AWS profile detected from your `~/.aws` directory, an Amazon Bedrock API key, an access key and secret, or credentials already in your environment. The wizard picks up your region, verifies which Claude models your account can invoke, and lets you pin them. It saves the result to the `env` block of your [user settings file](/docs/en/settings), so you don't need to export environment variables yourself.
102 Choose how you authenticate to AWS: an AWS profile detected from your `~/.aws` directory, an Amazon Bedrock API key, an access key and secret, or credentials already in your environment. The wizard asks for your region, verifies which Claude models your account can invoke, and lets you pin them. It saves the result to the `env` block of your [user settings file](/docs/en/settings), so you don't need to export environment variables yourself.
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443443## 1M token context window
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445Claude Sonnet 5, Opus 4.6 and later, and Sonnet 4.6 support the [1M token context window](https://platform.claude.com/docs/en/build-with-claude/context-windows#context-window-sizes-by-model) on Amazon Bedrock. Sonnet 5 always runs with the 1M window on both the Invoke API and the [Mantle endpoint](#use-the-mantle-endpoint), with no `[1m]` variant to select. For the other models, Claude Code automatically enables the extended context window when you select a 1M model variant.
445Claude Sonnet 5, Opus 4.6 and later, and Sonnet 4.6 support the [1M token context window](https://platform.claude.com/docs/en/build-with-claude/context-windows#context-window-sizes-by-model) on Amazon Bedrock. Sonnet 5 always runs with the 1M window on both the Invoke API and the [Mantle endpoint](#use-the-mantle-endpoint), with no `[1m]` variant to select. For the other models on the Invoke API, Claude Code automatically enables the extended context window when you select a 1M model variant.
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447447The [setup wizard](#sign-in-with-bedrock) offers a 1M context option when it pins models. To enable it for a manually pinned model instead, append `[1m]` to the model ID. See [Pin models for third-party deployments](/docs/en/model-config#pin-models-for-third-party-deployments) for details.
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