Class: LlmCostTracker::Parsers::Anthropic

Inherits:
Base
  • Object
show all
Defined in:
lib/llm_cost_tracker/parsers/anthropic.rb

Constant Summary collapse

HOSTS = 
%w[api.anthropic.com].freeze

Instance Method Summary collapse

Instance Method Details

#match?(url) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/llm_cost_tracker/parsers/anthropic.rb', line 10

def match?(url)
  uri = URI.parse(url.to_s)
  HOSTS.include?(uri.host) && uri.path.include?("/v1/messages")
rescue URI::InvalidURIError
  false
end

#parse(request_url, request_body, response_status, response_body) ⇒ Object 



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# File 'lib/llm_cost_tracker/parsers/anthropic.rb', line 17

def parse(request_url, request_body, response_status, response_body)
  return nil unless response_status == 200

  response = safe_json_parse(response_body)
  usage    = response["usage"]
  return nil unless usage

  request = safe_json_parse(request_body)

  {
    provider: "anthropic",
    model: response["model"] || request["model"],
    input_tokens: usage["input_tokens"] || 0,
    output_tokens: usage["output_tokens"] || 0,
    total_tokens: (usage["input_tokens"] || 0) + (usage["output_tokens"] || 0),
    cache_read_tokens: usage["cache_read_input_tokens"],
    cache_creation_tokens: usage["cache_creation_input_tokens"]
  }.compact
end