OpenRouter

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthropic/claude-opus-5.5",
    "messages": [{"role": "user", "content": "你好，请用三句话介绍你自己。"}],
    "max_tokens": 512
  }'

import os
from openai import OpenAI

client = OpenAI(
    base_url="https://openrouter.ai/api/v1",
    api_key=os.environ["OPENROUTER_API_KEY"],
)

response = client.chat.completions.create(
    model="anthropic/claude-opus-5.5",
    messages=[{"role": "user", "content": "你好，请用三句话介绍你自己。"}],
    max_tokens=512,
)
print(response.choices[0].message.content)

import OpenAI from 'openai';

const client = new OpenAI({
  baseURL: 'https://openrouter.ai/api/v1',
  apiKey: process.env.OPENROUTER_API_KEY,
});

const response = await client.chat.completions.create({
  model: 'anthropic/claude-opus-5.5',
  messages: [{ role: 'user', content: '你好，请用三句话介绍你自己。' }],
  max_tokens: 512,
});
console.log(response.choices[0].message.content);