Class: AgentC::Costs::Report::Calculator

Inherits:
Object
  • Object
show all
Defined in:
lib/agent_c/costs/report.rb

Overview

Calculator class for computing costs

Instance Method Summary collapse

Instance Method Details

#calculate(messages) ⇒ Object 



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# File 'lib/agent_c/costs/report.rb', line 117

def calculate(messages)
  stats = {
    input_tokens: 0,
    output_tokens: 0,
    cached_tokens: 0,
    cache_creation_tokens: 0,
    input_cost: 0.0,
    output_cost: 0.0,
    cached_cost: 0.0,
    cache_creation_cost: 0.0,
    total_cost: 0.0,
    message_count: messages.count
  }

  messages.each do |message|
    stats[:input_tokens] += message.input_tokens || 0
    stats[:output_tokens] += message.output_tokens || 0
    stats[:cached_tokens] += message.cached_tokens || 0
    stats[:cache_creation_tokens] += message.cache_creation_tokens || 0

    # Determine which pricing tier to use based on total token count
    total_message_tokens = (message.input_tokens || 0) +
                           (message.cached_tokens || 0) +
                           (message.cache_creation_tokens || 0)
    pricing = total_message_tokens > LONG_CONTEXT_THRESHOLD ? PRICING[:long] : PRICING[:normal]

    # Calculate cost using appropriate pricing tier
    # Input tokens cost
    if message.input_tokens && message.input_tokens > 0
      cost = (message.input_tokens / 1_000_000.0) * pricing[:input]
      stats[:input_cost] += cost
      stats[:total_cost] += cost
    end

    # Output tokens cost
    if message.output_tokens && message.output_tokens > 0
      cost = (message.output_tokens / 1_000_000.0) * pricing[:output]
      stats[:output_cost] += cost
      stats[:total_cost] += cost
    end

    # Cached tokens cost (cache read)
    if message.cached_tokens && message.cached_tokens > 0
      cost = (message.cached_tokens / 1_000_000.0) * pricing[:cached_input]
      stats[:cached_cost] += cost
      stats[:total_cost] += cost
    end

    # Cache creation tokens cost
    if message.cache_creation_tokens && message.cache_creation_tokens > 0
      cost = (message.cache_creation_tokens / 1_000_000.0) * pricing[:cache_creation]
      stats[:cache_creation_cost] += cost
      stats[:total_cost] += cost
    end
  end

  stats
end