package ocaml-ai-sdk

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OCaml AI SDK - Provider abstraction for AI models

Install 

dune-project
 Dependency

github.com Readme Changelog Edit opam file Versions (8)

Authors

  1. A
    Ahrefs

Maintainers

  1. J
    José Nogueira <jose.nogueira@ahrefs.com>

Sources

ocaml-ai-sdk-0.5.tbz
sha256=9e3437d6ebf48ec9f5d9a8afd62eaeece124023f02dbd87e4b291205fd309b72
sha512=605c10ed62c0cbc31a151b7031cc80a284d5c94231c1ef423ae7439572e3fadddab4a45f52eaeeef83973a8e324839b9fda03f9082deef1b6781353f63975510

doc/src/ocaml-ai-sdk.ai_provider_openrouter/convert_usage.ml.html

Source file convert_usage.ml

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open Melange_json.Primitives

type prompt_tokens_details = {
  cached_tokens : int option; [@json.default None]
  cache_write_tokens : int option; [@json.default None]
}
[@@json.allow_extra_fields] [@@deriving of_json]

type completion_tokens_details = { reasoning_tokens : int option [@json.default None] }
[@@json.allow_extra_fields] [@@deriving of_json]

type cost_details = { upstream_inference_cost : float option [@json.default None] }
[@@json.allow_extra_fields] [@@deriving of_json]

type openrouter_usage = {
  prompt_tokens : int option; [@json.default None]
  completion_tokens : int option; [@json.default None]
  total_tokens : int option; [@json.default None]
  prompt_tokens_details : prompt_tokens_details option; [@json.default None]
  completion_tokens_details : completion_tokens_details option; [@json.default None]
  cost : float option; [@json.default None]
  cost_details : cost_details option; [@json.default None]
}
[@@json.allow_extra_fields] [@@deriving of_json]

type openrouter_usage_metadata = {
  cache_read_tokens : int;
  cache_write_tokens : int;
  reasoning_tokens : int;
  cost : float option;
  upstream_inference_cost : float option;
}

type _ Ai_provider.Provider_options.key += Openrouter_usage : openrouter_usage_metadata Ai_provider.Provider_options.key

let to_usage u =
  let input = Stdlib.Option.value ~default:0 u.prompt_tokens in
  let output = Stdlib.Option.value ~default:0 u.completion_tokens in
  {
    Ai_provider.Usage.input_tokens = input;
    output_tokens = output;
    total_tokens = Some (Stdlib.Option.value ~default:(input + output) u.total_tokens);
  }

let nested_int opt f = Stdlib.Option.bind opt f |> Stdlib.Option.value ~default:0

let to_metadata (u : openrouter_usage) =
  {
    cache_read_tokens = nested_int u.prompt_tokens_details (fun d -> d.cached_tokens);
    cache_write_tokens = nested_int u.prompt_tokens_details (fun d -> d.cache_write_tokens);
    reasoning_tokens = nested_int u.completion_tokens_details (fun d -> d.reasoning_tokens);
    cost = u.cost;
    upstream_inference_cost = Stdlib.Option.bind u.cost_details (fun d -> d.upstream_inference_cost);
  }