Preview release with major gains over the 2.5 series in Chinese-English understanding, complex instructions, multilingual ability, and tool use.
Alibaba CloudText Generation256K contextSingaporeProprietary EndpointPreview release with major gains over the 2.5 series in Chinese-English understanding, complex instructions, multilingual ability, and tool use.
qwen3-max-previewPOST /v1/chat/completionsPOST /v1/responsesPOST /v1/messagesLive pay-as-you-go rates from the EmpirioLabs catalog. You are billed only for what you use, with no monthly minimum.
Qwen3 Max Preview 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-preview. 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-preview",
"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-preview",
messages=[{"role": "user", "content": "Write a haiku about the ocean."}],
)
print(response.choices[0].message.content)Request parameters supported by the Qwen3 Max Preview API on EmpirioLabs. Defaults apply when a field is omitted.
| Parameter | Type | Default | Range / values | Description |
|---|---|---|---|---|
| temperature | number | 0.7 | 0 to 2 | Sampling temperature |
| top_p | number | 1 | 0 to 1 | Nucleus sampling |
| max_tokens | number | 4096 | 1 to 65536 | Max output tokens |
| frequency_penalty | number | 0 | -2 to 2 | Penalty for repeated tokens. >0 reduces repetition, <0 encourages it. |
| presence_penalty | number | 0 | -2 to 2 | Penalty for new vs. seen tokens. >0 encourages new topics, <0 encourages staying on topic. |
| stop | string | - | - | Comma-separated stop sequences |
| enable_thinking | boolean | true | - | Model thinks step-by-step before responding. |
| tool_code_interpreter | boolean | false | - | Allow the model to write and execute Python code. |
| disable_formatting | boolean | false | - | Skip the EmpirioLabs Markdown formatting (citation [[N]](url) rewriting + References block when web search / tools were used). The raw upstream answer with plain [N]... |
Deep thinking + code interpreter both available as opt-in toggles.
On EmpirioLabs, Qwen3 Max Preview 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 $4.80 (was $6.00); 32K-128K $9.60 (was $12.00); 128K-256K $12.00 (was $15.00) per 1M generated tokens. The live rate card on this page always matches what the API charges.
Qwen3 Max Preview supports a 256K-token context window with up to 65,536 output tokens per response.
Yes. Qwen3 Max Preview 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-preview.
Yes. The EmpirioLabs playground runs Qwen3 Max Preview in the browser with the same parameters the API exposes, so you can test prompts before writing code.
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.
Explore our models, or contact us about business inquiries, custom deployments, or anything else.
