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Google Generative AI

You can access Google's generative AI embeddings models through @langchain/google-genai integration package.

Get an API key here: https://ai.google.dev/tutorials/setup

You'll need to install the @langchain/google-genai package:

tip

See this section for general instructions on installing integration packages.

npm install @langchain/google-genai

Usage​

import { GoogleGenerativeAIEmbeddings } from "@langchain/google-genai";
import { TaskType } from "@google/generative-ai";

/*
 * Before running this, you should make sure you have created a
 * Google Cloud Project that has `generativelanguage` API enabled.
 *
 * You will also need to generate an API key and set
 * an environment variable GOOGLE_API_KEY
 *
 */

const embeddings = new GoogleGenerativeAIEmbeddings({
  model: "embedding-001", // 768 dimensions
  taskType: TaskType.RETRIEVAL_DOCUMENT,
  title: "Document title",
});

const res = await embeddings.embedQuery("OK Google");

console.log(res, res.length);

/*
  [
      0.010467986,  -0.052334797,   -0.05164676,  -0.0092885755,   0.037551474,
      0.007278041, -0.0014511136, -0.0002727135,    -0.01205141,  -0.028824795,
      0.022447161,   0.032513272, -0.0075029004,    0.013371749,    0.03725578,
      -0.0179886,  -0.032127254,  -0.019804858,   -0.035530213,  -0.057539217,
      0.030938378,   0.022367297,  -0.024294581,    0.011045744,  0.0026335048,
    -0.018090524,  0.0066266404,   -0.05072178,   -0.025432976,    0.04673682,
    -0.044976745,   0.009511519,  -0.030653704,   0.0066106077,   -0.03870159,
      -0.04239313,   0.016969211,     -0.015911,    0.020452755,   0.033449557,
    -0.002724189,  -0.049285132,  -0.016055783,  -0.0016474632,   0.013622627,
    -0.012853559,   -0.00383113,  0.0047683385,    0.029007262,  -0.082496256,
      0.055966448,   0.011457588,    0.04426033,   -0.043971397,   0.029413547,
      0.012740723,    0.03243298,  -0.005483601,    -0.01973574,  -0.027495336,
    0.0031939305,    0.02392931,  -0.011409592,    0.053490978,   -0.03130516,
    -0.037364446,  -0.028803863,   0.019082755, -0.00075289875,   0.015987953,
      0.005136402,  -0.045040093,   0.051010687,    -0.06252348,   -0.09334517,
      -0.11461444,  -0.007226655,   0.034570504,    0.017628446,    0.02613834,
    -0.0043784343,  -0.022333296,  -0.053109482,   -0.018441308,   -0.10350664,
      0.048912525,  -0.042917475, -0.0014399975,    0.023028672, 0.00041137074,
      0.019345555,  -0.023254089,   0.060004912,    -0.07684076,   -0.04034909,
      0.05221485,  -0.015773885,  -0.029030964,     0.02586164,    -0.0401004,
    ... 668 more items
  ]
*/

API Reference:

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