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Filename : models.ts
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// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.

import { APIResource } from '../core/resource';
import * as BetaAPI from './beta/beta';
import { APIPromise } from '../core/api-promise';
import { Page, type PageParams, PagePromise } from '../core/pagination';
import { buildHeaders } from '../internal/headers';
import { RequestOptions } from '../internal/request-options';
import { path } from '../internal/utils/path';

export class Models extends APIResource {
  /**
   * Get a specific model.
   *
   * The Models API response can be used to determine information about a specific
   * model or resolve a model alias to a model ID.
   */
  retrieve(
    modelID: string,
    params: ModelRetrieveParams | null | undefined = {},
    options?: RequestOptions,
  ): APIPromise<ModelInfo> {
    const { betas } = params ?? {};
    return this._client.get(path`/v1/models/${modelID}`, {
      ...options,
      headers: buildHeaders([
        { ...(betas?.toString() != null ? { 'anthropic-beta': betas?.toString() } : undefined) },
        options?.headers,
      ]),
    });
  }

  /**
   * List available models.
   *
   * The Models API response can be used to determine which models are available for
   * use in the API. More recently released models are listed first.
   */
  list(
    params: ModelListParams | null | undefined = {},
    options?: RequestOptions,
  ): PagePromise<ModelInfosPage, ModelInfo> {
    const { betas, ...query } = params ?? {};
    return this._client.getAPIList('/v1/models', Page<ModelInfo>, {
      query,
      ...options,
      headers: buildHeaders([
        { ...(betas?.toString() != null ? { 'anthropic-beta': betas?.toString() } : undefined) },
        options?.headers,
      ]),
    });
  }
}

export type ModelInfosPage = Page<ModelInfo>;

export interface ModelInfo {
  /**
   * Unique model identifier.
   */
  id: string;

  /**
   * RFC 3339 datetime string representing the time at which the model was released.
   * May be set to an epoch value if the release date is unknown.
   */
  created_at: string;

  /**
   * A human-readable name for the model.
   */
  display_name: string;

  /**
   * Object type.
   *
   * For Models, this is always `"model"`.
   */
  type: 'model';
}

export interface ModelRetrieveParams {
  /**
   * Optional header to specify the beta version(s) you want to use.
   */
  betas?: Array<BetaAPI.AnthropicBeta>;
}

export interface ModelListParams extends PageParams {
  /**
   * Header param: Optional header to specify the beta version(s) you want to use.
   */
  betas?: Array<BetaAPI.AnthropicBeta>;
}

export declare namespace Models {
  export {
    type ModelInfo as ModelInfo,
    type ModelInfosPage as ModelInfosPage,
    type ModelRetrieveParams as ModelRetrieveParams,
    type ModelListParams as ModelListParams,
  };
}