Qwen: Qwen3 Coder 480B A35B (free) — Free API

What is Qwen: Qwen3 Coder 480B A35B (free)?

Qwen3 Coder 480B A35B is a Mixture-of-Experts code generation model from Alibaba's Qwen team, available free on OpenRouter. With 480B total parameters and 35B active per forward pass (8 of 160 experts), it is optimized for agentic coding tasks — function calling, tool use, and long-context reasoning over repositories. 262K context window. One of the most capable free coding models on OpenRouter. Model weights available on Hugging Face. Text/code. OpenAI-compatible via OpenRouter. Free tier: 200 RPD.

Qwen: Qwen3 Coder 480B A35B (free) API Code Example

Paste your API key and run. See the config generator for Claude Code, Cursor, and more tools.

from openai import OpenAI

client = OpenAI(
    base_url="https://openrouter.ai/api/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="qwen/qwen3-coder:free",
    messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

import OpenAI from "openai";

const openai = new OpenAI({
  baseURL: "https://openrouter.ai/api/v1",
  apiKey: "YOUR_API_KEY",
});

const completion = await openai.chat.completions.create({
  model: "qwen/qwen3-coder:free",
  messages: [{ role: "user", content: "Hello!" }],
});

console.log(completion.choices[0].message.content);

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "qwen/qwen3-coder:free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Other Free Models from OpenRouter