@ai-sdk/openai/src/embedding/openai-embedding-options.ts

The **[OpenAI provider](https://ai-sdk.dev/providers/ai-sdk-providers/openai)** for the [AI SDK](https://ai-sdk.dev/docs) contains language model support for the OpenAI chat and completion APIs and embedding model support for the OpenAI embeddings API.

import { InferSchema, lazySchema, zodSchema } from '@ai-sdk/provider-utils';
import { z } from 'zod/v4';

export type OpenAIEmbeddingModelId =
  | 'text-embedding-3-small'
  | 'text-embedding-3-large'
  | 'text-embedding-ada-002'
  | (string & {});

export const openaiEmbeddingModelOptions = lazySchema(() =>
  zodSchema(
    z.object({
      /**
       * The number of dimensions the resulting output embeddings should have.
       * Only supported in text-embedding-3 and later models.
       */
      dimensions: z.number().optional(),

      /**
       * A unique identifier representing your end-user, which can help OpenAI to
       * monitor and detect abuse. Learn more.
       */
      user: z.string().optional(),
    }),
  ),
);

export type OpenAIEmbeddingModelOptions = InferSchema<
  typeof openaiEmbeddingModelOptions
>;