Structured Output With Zod

import { generateObject } from "ai"; import { anthropic } from "@ai-sdk/anthropic"; import { z } from "zod"; const ExtractSchema = z.object({ people: z.array( z.object({ name: z.string(), role: z.string().optional(), email: z.string().email().optional(), }) ), summary: z.string().max(240), }); export async function extract(text: string) { const { object } = await generateObject({ model: anthropic("claude-opus-4-7"), schema: ExtractSchema, prompt: `Extract people mentioned and a short summary from:\n\n${text}`, }); // object is fully typed from the schema console.log(`${object.people.length} people found`); return object; }

import OpenAI from "openai"; import { zodResponseFormat } from "openai/helpers/zod"; const client = new OpenAI(); const r = await client.responses.parse({ model: "gpt-5", input: [{ role: "user", content: "Extract a person from: Ada Lovelace, mathematician" }], text: { format: zodResponseFormat(z.object({ name: z.string(), role: z.string() }), "person") }, }); console.log(r.output_parsed); // { name: "Ada Lovelace", role: "mathematician" }