feat(api): add embeddings encoding_format (#390)

src/resources/embeddings.ts

@@ -97,6 +97,12 @@ export interface EmbeddingCreateParams {
    */
   model: (string & {}) | 'text-embedding-ada-002';
 
+  /**
+   * The format to return the embeddings in. Can be either `float` or
+   * [`base64`](https://pypi.org/project/pybase64/).
+   */
+  encoding_format?: 'float' | 'base64';
+
   /**
    * A unique identifier representing your end-user, which can help OpenAI to monitor
    * and detect abuse.

tests/api-resources/embeddings.test.ts

@@ -27,6 +27,7 @@ describe('resource embeddings', () => {
     const response = await openai.embeddings.create({
       input: 'The quick brown fox jumped over the lazy dog',
       model: 'text-embedding-ada-002',
+      encoding_format: 'float',
       user: 'user-1234',
     });
   });