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

Methods inherited from Base

#streaming_request?

Instance Method Details

#match?(url) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/llm_cost_tracker/parsers/anthropic.rb', line 12

def match?(url)
  uri = URI.parse(url.to_s)
  HOSTS.include?(uri.host.to_s.downcase) && 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 23

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)

  ParsedUsage.build(
    provider: "anthropic",
    model: response["model"] || request["model"],
    input_tokens: usage["input_tokens"].to_i,
    output_tokens: usage["output_tokens"].to_i,
    total_tokens: usage["input_tokens"].to_i + usage["output_tokens"].to_i +
      usage["cache_read_input_tokens"].to_i + usage["cache_creation_input_tokens"].to_i,
    cache_read_input_tokens: usage["cache_read_input_tokens"],
    cache_creation_input_tokens: usage["cache_creation_input_tokens"],
    usage_source: :response
  )
end

#parse_stream(_request_url, request_body, response_status, events) ⇒ Object 



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# File 'lib/llm_cost_tracker/parsers/anthropic.rb', line 45

def parse_stream(_request_url, request_body, response_status, events)
  return nil unless response_status == 200

  request = safe_json_parse(request_body)
  model = stream_model(events) || request["model"]
  usage = stream_usage(events)

  if usage
    input = usage["input_tokens"].to_i
    output = usage["output_tokens"].to_i
    cache_read = usage["cache_read_input_tokens"].to_i
    cache_creation = usage["cache_creation_input_tokens"].to_i

    ParsedUsage.build(
      provider: "anthropic",
      model: model,
      input_tokens: input,
      output_tokens: output,
      total_tokens: input + output + cache_read + cache_creation,
      cache_read_input_tokens: usage["cache_read_input_tokens"],
      cache_creation_input_tokens: usage["cache_creation_input_tokens"],
      stream: true,
      usage_source: :stream_final
    )
  else
    ParsedUsage.build(
      provider: "anthropic",
      model: model,
      input_tokens: 0,
      output_tokens: 0,
      total_tokens: 0,
      stream: true,
      usage_source: :unknown
    )
  end
end

#provider_names ⇒ Object 



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# File 'lib/llm_cost_tracker/parsers/anthropic.rb', line 19

def provider_names
  %w[anthropic]
end