Qwen3
Qwen3 is a language model from Alibaba Cloud. It is currently free at 1 provider with up to 25K tokens of context. The model supports step-by-step reasoning, supports tool calling. Its weights are open, so it can also run locally.
- Developer
- Alibaba Cloud
- Context
- 25K tokens
- Type
- Text
- License
- Open weights
- Free since
- September 20, 2026
Where to use Qwen3 for free
Each row is a separate free endpoint with its own limits.
Quick start
curl https://api.unorouter.com/v1/chat/completions \
-H "Authorization: Bearer $UNOROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "qwen3:free",
"messages": [{"role": "user", "content": "Hello!"}]
}'from openai import OpenAI
client = OpenAI(
base_url="https://api.unorouter.com/v1",
api_key="YOUR_UNOROUTER_API_KEY",
)
reply = client.chat.completions.create(
model="qwen3:free",
messages=[{"role": "user", "content": "Hello!"}],
)
print(reply.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.unorouter.com/v1",
apiKey: process.env.UNOROUTER_API_KEY,
});
const reply = await client.chat.completions.create({
model: "qwen3:free",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(reply.choices[0].message.content);Example for UnoRouter. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.
Benchmarks
This model is not on the Artificial Analysis leaderboard yet. We do not publish our own estimates.
Similar free models
FAQ
Is Qwen3 free?
Yes. As of November 5, 2026, Qwen3 is free at UnoRouter. Each provider has its own limits — see the table above.
What is the context window of Qwen3?
The largest context among free routes is 24,576 tokens. Some providers cap it lower.
How do I call Qwen3 via API?
Use any OpenAI-compatible client with base URL https://api.unorouter.com/v1, model ID qwen3:free, and a UnoRouter key.
Is Qwen3 open-weight?
Yes, the weights are published — you can download and run it locally, for example with Ollama or LM Studio.