feat(Anthropic): Add beta header for Claude 3.7 Sonnet 128k output #105
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This change implements support for Anthropic's `output-128k-2025-02-19` beta header, specifically for the `claude-3-7-sonnet-20250219` model. Including this header allows users to leverage the increased 128k maximum output token limit available for this model. This implementation attempts to follow the suggested pattern for provider-specific capabilities, similar to the existing temperature normalization logic: - A new method `additional_headers_for_model` was added to `Anthropic::Capabilities` to encapsulate the provider-specific logic. - The shared `Provider#post` method was updated to conditionally call this capability method via `respond_to?` and merge the resulting headers before making the API request. - The necessary `model_id` context is now passed down through the relevant methods (`embed`, `paint`, `sync_response`, `stream_response`) to `post`. This approach avoids overriding shared methods within the provider module and keeps the specific logic contained within the capabilities definition. Closes crmne#85
crmne
requested changes
Apr 23, 2025
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| def post(url, payload, model_id: nil) | ||
| request_headers = headers | ||
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| if model_id && capabilities.respond_to?(:additional_headers_for_model) | ||
| additional_headers = capabilities.additional_headers_for_model(model_id) | ||
| request_headers = request_headers.merge(additional_headers) unless additional_headers.empty? | ||
| end | ||
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| connection.post url, payload do |req| | ||
| req.headers.merge! headers | ||
| req.headers.merge! request_headers |
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changing the post method is a bit heavy handed. especially when the post needs to know about the model_id which is a clear violation of SRP
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This change implements support for Anthropic's
output-128k-2025-02-19beta header, specifically for theclaude-3-7-sonnet-20250219model. Including this header allows users to leverage the increased 128k maximum output token limit available for this model.This implementation attempts to follow the suggested pattern for provider-specific capabilities, similar to the existing temperature normalization logic:
additional_headers_for_modelwas added toAnthropic::Capabilitiesto encapsulate the provider-specific logic.Provider#postmethod was updated to conditionally call this capability method viarespond_to?and merge the resulting headers before making the API request.model_idcontext is now passed down through the relevant methods (embed,paint,sync_response,stream_response) topost.This approach avoids overriding shared methods within the provider module and keeps the specific logic contained within the capabilities definition.
Closes #85