# Google Gen AI SDK (JS/TS) (@google/genai) - AgentBreakWatch Reference

> TL;DR Verdict: Google Gen AI SDK (JS/TS) (`@google/genai`) is currently at v2.31.0 on NPM (published 2026-10-23), with a 90-day Stability Score of 82/100 (B+) and MEDIUM schema drift risk across 20 releases in the last 90 days. Replaces deprecated @google/generative-ai package; v2.x standardizes ai.models.generateContent and functionDeclarations schema typing.

## Live Telemetry Metadata
- Canonical Page: https://agentbreakwatch.vercel.app/p/google-genai-js
- Category Hub: https://agentbreakwatch.vercel.app/c/agent-sdks (AI Agent SDKs & Frameworks Breaking-Change Index)
- Package Name: `@google/genai`
- Registry: NPM (https://www.npmjs.com/package/@google/genai)
- GitHub Repository: https://github.com/googleapis/js-genai
- Vendor: Google
- Latest Live Version: v2.31.0
- Published Date: 2026-10-23T00:40:52.721Z
- 90-Day Release Count: 20
- Direct Dependencies: 4
- License: Apache-2.0
- Stability Score: 82/100 (Grade B+)
- Schema Drift Risk: MEDIUM
- Recommended Exact Pin Command: `npm install @google/genai@2.31.0`
- Watched Symbols / MCP Tools: GoogleGenAI, ai.models.generateContent, FunctionDeclaration
- Snapshot Timestamp: 2026-10-24T12:11:27.697Z

## Breaking Change & Schema Drift Summary
Replaces deprecated @google/generative-ai package; v2.x standardizes ai.models.generateContent and functionDeclarations schema typing.

## Migration Diff: Before (Deprecated / Unpinned Pattern)
```
import { GoogleGenerativeAI } from "@google/generative-ai";
const genAI = new GoogleGenerativeAI(API_KEY);
const model = genAI.getGenerativeModel({ model: "gemini-1.5-pro" });
```

## Migration Diff: After (Verified v2.31.0 Pattern)
```
import { GoogleGenAI } from "@google/genai";
const ai = new GoogleGenAI({ apiKey: API_KEY });
const response = await ai.models.generateContent({ model: "gemini-2.5-pro", contents: "Hello" });
```

## Recent Verified Releases
- v2.31.0 (published 2026-10-23) [LATEST]
- v2.30.0 (published 2026-10-15)
- v2.29.1 (published 2026-10-13)
- v2.29.0 (published 2026-10-13)
- v2.28.0 (published 2026-10-07)
- v2.27.0 (published 2026-10-02)