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 10

def match?(url)
  match_uri?(url, hosts: HOSTS, path_includes: "/v1/messages")
end

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



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# File 'lib/llm_cost_tracker/parsers/anthropic.rb', line 18

def parse(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)
  cache_read = usage["cache_read_input_tokens"].to_i

  UsageCapture.build(
    provider: "anthropic",
    provider_response_id: response["id"],
    pricing_mode: pricing_mode(request: request, response: response, usage: usage),
    model: response["model"] || request["model"],
    token_usage: token_usage(usage: usage, cache_read: cache_read),
    usage_source: :response
  )
end

#parse_stream(response_status:, request_body: nil, events: []) ⇒ Object 



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# File 'lib/llm_cost_tracker/parsers/anthropic.rb', line 38

def parse_stream(response_status:, request_body: nil, events: [], **)
  return nil unless response_status == 200

  request = safe_json_parse(request_body)
  model = find_event_value(events) { |data| data.dig("message", "model") } || request["model"]
  usage = stream_usage(events)
  response_id = find_event_value(events) { |data| data.dig("message", "id") || data["id"] }

  if usage
    build_stream_result(
      model: model,
      usage: usage,
      response_id: response_id,
      pricing_mode: pricing_mode(request: request, response: nil, usage: usage)
    )
  else
    build_unknown_stream_usage(
      provider: "anthropic",
      model: model,
      provider_response_id: response_id,
      pricing_mode: pricing_mode(request: request, response: nil, usage: usage)
    )
  end
end

#provider_names ⇒ Object 



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# File 'lib/llm_cost_tracker/parsers/anthropic.rb', line 14

def provider_names
  %w[anthropic]
end