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3 pages for anthropic_small_fast_model.

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Claude Code on Amazon Bedrock Claude Code CLI · in the page amazon-bedrock …s no effect without ANTHROPIC_DEFAULT_HAIKU_MODEL # or the deprecated ANTHROPIC_SMALL_FAST_MODEL set. export ANTHROPIC_SMALL_FAST_MODEL_AWS_REGION=us-west-2 # Optional: Override the Bedrock endpoint… Environment variables Claude Code CLI · in the page env-vars …| | `ANTHROPIC_SMALL_FAST_MODEL` | \[DEPRECATED] Name of [Haiku-class model for background tasks](/docs/en/c… Model configuration Claude Code CLI · in the page model-config …er. Set to `inherit` to use normal model resolution instead | Note: `ANTHROPIC_SMALL_FAST_MODEL` is deprecated in favor of `ANTHROPIC_DEFAULT_HAIKU_MODEL`. ### Pin models for third-party deployments…