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# frozen_string_literal: true
require "json"
module Dispatch
module Adapter
class Claude < Base
module PricingTable
DATA_PATH = File.expand_path("data/claude_pricing.json", __dir__)
# Raw Hash loaded once from the bundled JSON file.
TABLE = begin
raw = JSON.parse(File.read(DATA_PATH))
raw.freeze
end
module_function
# Returns a ModelPricing for the given model id, or nil if unknown.
#
# @param model_id [String]
# @return [Dispatch::Adapter::ModelPricing, nil]
def lookup(model_id)
entry = TABLE[model_id]
return nil unless entry
ModelPricing.new(
input_per_mtok: entry["input_per_mtok"],
output_per_mtok: entry["output_per_mtok"],
cache_read_per_mtok: entry["cache_read_per_mtok"],
cache_write_per_mtok: entry["cache_write_per_mtok"]
)
end
# Returns the context window size for the given model id, or nil.
#
# @param model_id [String]
# @return [Integer, nil]
def context_window(model_id)
TABLE.dig(model_id, "context_window")
end
# Returns the max output token count for the given model id, or nil.
#
# @param model_id [String]
# @return [Integer, nil]
def max_output_tokens(model_id)
TABLE.dig(model_id, "max_output_tokens")
end
# Returns all known model id strings.
#
# @return [Array<String>]
def known_ids
TABLE.keys
end
end
end
end
end
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