Qwen3 Max Thinking API

About Qwen3 Max Thinking

Reasoning model with adaptive tool use (search, memory, code interpreter) and test-time scaling for higher accuracy on complex tasks.

Qwen3 Max Thinking specs

Model ID

qwen3-max-thinking

Provider

Alibaba Cloud

Category

Text Generation

Context window

256K tokens

Max output

65,536 tokens

Input

text

Output

text

Region

Singapore

Endpoints

POST /v1/chat/completions
POST /v1/responses
POST /v1/messages

Qwen3 Max Thinking API pricingSave up to 10%

Live pay-as-you-go rates from the EmpirioLabs catalog. You are billed only for what you use, with no monthly minimum.

How to call the Qwen3 Max Thinking API

Qwen3 Max Thinking serves the OpenAI-compatible Chat Completions API. Point any OpenAI SDK at https://api.empiriolabs.ai/v1 with your EmpirioLabs API key and use the model id qwen3-max-thinking. Get an API key from the EmpirioLabs dashboard.

curl https://api.empiriolabs.ai/v1/chat/completions \
  -H "Authorization: Bearer $EMPIRIOLABS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "qwen3-max-thinking",
    "messages": [
      {"role": "user", "content": "Write a haiku about the ocean."}
    ]
  }'

from openai import OpenAI

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

response = client.chat.completions.create(
    model="qwen3-max-thinking",
    messages=[{"role": "user", "content": "Write a haiku about the ocean."}],
)
print(response.choices[0].message.content)

Qwen3 Max Thinking API parameters

Request parameters supported by the Qwen3 Max Thinking API on EmpirioLabs. Defaults apply when a field is omitted.

Good to know

Web search modes: Standard (efficient) or Thorough (comprehensive, requires thinking).

Qwen3 Max Thinking API: common questions

How much does the Qwen3 Max Thinking API cost?

On EmpirioLabs, Qwen3 Max Thinking is billed pay as you go: Input <=32K $1.08 (was $1.20); 32K-128K $2.16 (was $2.40); 128K-256K $2.70 (was $3.00) per 1M prompt tokens; Output <=32K $5.52 (was $6.00); 32K-128K $11.04 (was $12.00); 128K-256K $13.80 (was $15.00) per 1M generated tokens; Web Search $0.015 per request. The live rate card on this page always matches what the API charges.

What is the context window of Qwen3 Max Thinking?

Qwen3 Max Thinking supports a 256K-token context window with up to 65,536 output tokens per response.

Is the Qwen3 Max Thinking API OpenAI-compatible?

Yes. Qwen3 Max Thinking serves the OpenAI-compatible Chat Completions API, so existing OpenAI SDKs work by pointing base_url at https://api.empiriolabs.ai/v1 and setting the model id to qwen3-max-thinking.

Can I try Qwen3 Max Thinking in the browser before integrating?

Yes. The EmpirioLabs playground runs Qwen3 Max Thinking in the browser with the same parameters the API exposes, so you can test prompts before writing code.

How do I get a Qwen3 Max Thinking API key?

Create an EmpirioLabs account, then generate a key under API Keys in the dashboard. Billing is pay-as-you-go credits, so you only pay for the requests you make.