community: Add support for cross-region inference profile IDs in Bedrock Anthropic Claude token cost calculation #28167
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…ation - Introduced support for cross-region (system-defined) inference profiles, enabling Amazon Bedrock to manage unplanned traffic bursts by leveraging compute resources across various AWS Regions. - Updated the `_get_anthropic_claude_token_cost` function to accommodate cross-region inference profile IDs as model IDs. - Implemented extraction of a 'base_model_id' by isolating the last two segments of the `model_id`, facilitating the mapping of cross-region inference profile IDs to their respective cost entries. - Ensured that cross-region inference profiles, which maintain the same cost structure as their base models, are processed efficiently without the need to expand the cost dictionaries.
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- Addressed linting errors by adjusting line lengths to comply with the maximum limit. - This change ensures that the codebase remains clean and consistent with established formatting standards.
- Changed string literals in `bedrock_anthropic_callback.py` to use double quotes instead of single quotes. - Ensures consistency and adherence to the preferred coding standards across the codebase.
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This change modifies the token cost calculation logic to support cross-region inference profile IDs for Anthropic Claude models. Instead of explicitly listing all regional variants of new inference profile IDs in the cost dictionaries, the code now extracts a base model ID from the input model ID (or inference profile ID), making it more maintainable and automatically supporting new regional variants.
These inference profile IDs follow the format:
<region>.<vendor>.<model-name>(e.g.,us.anthropic.claude-3-haiku-xxx,eu.anthropic.claude-3-sonnet-xxx).Cross-region inference profiles are system-defined identifiers that enable distributing model inference requests across multiple AWS regions. They help manage unplanned traffic bursts and enhance resilience during peak demands without additional routing costs.
References for Amazon Bedrock's cross-region inference profiles:-