Reasoning · frontend

Use Claude 3.5 Sonnet (Thinking) with Vue.js

Updated 2026-05-21 · By XALEN

How to use Claude 3.5 Sonnet (Thinking) (Reasoning, ~500B) with Vue.js. Install, authenticate, and make your first API call in minutes. Working code example included.

Model

Claude 3.5 Sonnet (Thinking)

~500B · 200K context · $0.03 input

Framework

Vue.js

frontend · npm install xalen-sdk

1. Install

npm install xalen-sdk

2. Code

<script setup>
import { ref } from 'vue';
import XALEN from 'xalen-sdk';

const client = new XALEN({ apiKey: 'xln_test_YOUR_KEY' });
const reply = ref('');

async function ask(question) {
  const res = await client.chat.completions.create({
    model: 'claude-3-5-sonnet-thinking',
    messages: [{ role: 'user', content: question }]
  });
  reply.value = res.choices[0].message.content;
}
</script>

<template>
  <div>{{ reply }}</div>
</template>

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Last updated: 2026-05-21