translation.ts

/**
 * Copyright 2024 The Fire Company
 * Copyright 2024 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { z } from 'genkit';
import { ModelInfo } from 'genkit/model';
import { compatOaiTranslationModelRef } from '../translate';

/** OpenAI translation ModelRef helper, same as the OpenAI-compatible spec. */
export function openAITranslationModelRef<
  CustomOptions extends z.ZodTypeAny = z.ZodTypeAny,
>(params: {
  name: string;
  info?: ModelInfo;
  configSchema?: CustomOptions;
  config?: any;
}) {
  return compatOaiTranslationModelRef({ ...params, namespace: 'openai' });
}

export const SUPPORTED_TRANSLATION_MODELS = {
  /**
   * Whisper 1 translation model.
   *
   * The actual OpenAI model ID is 'whisper-1', but we use 'whisper-1-translate'
   * to distinguish it from the 'whisper-1' transcription model. The model ID
   * is overridden in index.ts to 'whisper-1' when calling the OpenAI API.
   */
  'whisper-1-translate': openAITranslationModelRef({
    name: 'whisper-1-translate',
  }),
};