Class: PromptObjects::LLM::Pricing

Inherits:
Object
  • Object
show all
Defined in:
lib/prompt_objects/llm/pricing.rb

Overview

Static pricing table for cost estimation. Prices are per 1 million tokens in USD. Updated periodically — not guaranteed to be exact.

Constant Summary collapse

RATES = 
{
  # OpenAI
  "gpt-5.6-sol" => { input: 5.00, output: 30.00 },
  "gpt-5.6-terra" => { input: 2.50, output: 15.00 },
  "gpt-5.6-luna" => { input: 1.00, output: 6.00 },
  "gpt-5.4-mini" => { input: 0.75, output: 4.50 },
  "gpt-5.4-nano" => { input: 0.20, output: 1.25 },
  "gpt-5.2" => { input: 2.00, output: 8.00 },
  "gpt-4.1" => { input: 2.00, output: 8.00 },
  "gpt-4.1-mini" => { input: 0.40, output: 1.60 },
  "gpt-4.5-preview" => { input: 75.00, output: 150.00 },
  "o3-mini" => { input: 1.10, output: 4.40 },
  "o1" => { input: 15.00, output: 60.00 },
  # Anthropic
  "claude-opus-4" => { input: 15.00, output: 75.00 },
  "claude-sonnet-4-5" => { input: 3.00, output: 15.00 },
  "claude-haiku-4-5" => { input: 1.00, output: 5.00 },
  # Gemini
  "gemini-3.5-flash" => { input: 1.50, output: 9.00 },
  "gemini-3.1-flash-lite" => { input: 0.25, output: 1.50 },
  "gemini-3-flash-preview" => { input: 0.50, output: 3.00 },
  "gemini-2.5-pro" => { input: 1.25, output: 10.00 },
  "gemini-2.5-flash" => { input: 0.30, output: 2.50 },
}.freeze

Class Method Summary collapse

Class Method Details

.calculate(model:, input_tokens:, output_tokens:) ⇒ Float

Calculate cost in USD for a given usage.

Parameters:

  • model (String) —

    Model name

  • input_tokens (Integer) —

    Number of input tokens

  • output_tokens (Integer) —

    Number of output tokens

Returns:

  • (Float) —

    Estimated cost in USD



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# File 'lib/prompt_objects/llm/pricing.rb', line 39

def self.calculate(model:, input_tokens:, output_tokens:)
  rates = RATES[model]
  return 0.0 unless rates

  input_cost = (input_tokens / 1_000_000.0) * rates[:input]
  output_cost = (output_tokens / 1_000_000.0) * rates[:output]
  input_cost + output_cost
end

.known_model?(model) ⇒ Boolean

Check if we have pricing data for a model.

Parameters:

  • model (String) —

    Model name

Returns:

  • (Boolean) 


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# File 'lib/prompt_objects/llm/pricing.rb', line 51

def self.known_model?(model)
  RATES.key?(model)
end