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Deprecate ChatGoogleGenerativeAI and use ChatGoogle #44

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03b7d7d
replaced with ChatGoogle
azhong-git Mar 12, 2026
b34af3b
Replaced in code
azhong-git Mar 12, 2026
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14 changes: 7 additions & 7 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -81,7 +81,7 @@ npm install @langchain/ollama
This example demonstrates extracting structured product data from a real e-commerce website using a local headed Playwright browser. For production environments, you can use a Playwright browser in [serverless](#serverless-browser) or [remote](#remote-browser) mode.

```typescript
import { ChatGoogleGenerativeAI } from "@langchain/google-genai";
import { ChatGoogle } from "@langchain/google";
import { extract, ContentFormat, Browser } from "@lightfeed/extractor";
import { z } from "zod";

Expand Down Expand Up @@ -135,7 +135,7 @@ try {
// Extract structured product data
console.log("Extracting product data using LLM...");
const result = await extract({
llm: new ChatGoogleGenerativeAI({
llm: new ChatGoogle({
apiKey: process.env.GOOGLE_API_KEY,
model: "gemini-2.5-flash",
temperature: 0,
Expand Down Expand Up @@ -191,11 +191,11 @@ try {
You can also extract structured data directly from HTML, Markdown or text string. Pass any [LangChain chat model](https://js.langchain.com/docs/integrations/chat/):

```typescript
import { ChatGoogleGenerativeAI } from "@langchain/google-genai";
import { ChatGoogle } from "@langchain/google";
import { extract, ContentFormat } from "@lightfeed/extractor";

const result = await extract({
llm: new ChatGoogleGenerativeAI({
llm: new ChatGoogle({
apiKey: process.env.GOOGLE_API_KEY,
model: "gemini-2.5-flash",
temperature: 0,
Expand Down Expand Up @@ -280,8 +280,8 @@ import { ChatOpenAI } from "@langchain/openai";
const llm = new ChatOpenAI({ modelName: "gpt-4o-mini", apiKey: process.env.OPENAI_API_KEY });

// Google Gemini
import { ChatGoogleGenerativeAI } from "@langchain/google-genai";
const llm = new ChatGoogleGenerativeAI({ model: "gemini-2.5-flash", apiKey: process.env.GOOGLE_API_KEY });
import { ChatGoogle } from "@langchain/google";
const llm = new ChatGoogle({ model: "gemini-2.5-flash", apiKey: process.env.GOOGLE_API_KEY });

// Anthropic
import { ChatAnthropic } from "@langchain/anthropic";
Expand Down Expand Up @@ -398,7 +398,7 @@ Main function to extract structured data from content.

| Option | Type | Description | Default |
|--------|------|-------------|---------|
| `llm` | `BaseChatModel` | A [LangChain chat model](https://js.langchain.com/docs/integrations/chat/) instance (ChatOpenAI, ChatGoogleGenerativeAI, ChatAnthropic, etc.) | Required |
| `llm` | `BaseChatModel` | A [LangChain chat model](https://js.langchain.com/docs/integrations/chat/) instance (ChatOpenAI, ChatGoogle, etc.) | Required |
| `content` | `string` | HTML, markdown, or plain text content to extract from | Required |
| `format` | `ContentFormat` | Content format (HTML, MARKDOWN, or TXT) | Required |
| `schema` | `z.ZodTypeAny` | Zod schema defining the structure to extract | Required |
Expand Down
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