Qwen Plus API

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Qwen-Plus: Alibaba's advanced multilingual model with enhanced reasoning and instruction-following capabilities.

Modalities: Text, ImageText
In / Out price: $0.4/$1.2per 1M
Context window: 131K tokens
Released: Sep 9, 2025

Qwen Plus overview

Qwen Plus by Alibaba Cloud

Discover Qwen-Plus, Alibaba's advanced multilingual model designed for complex tasks and detailed analysis.

Qwen Plus specs

Model ID: alibaba/qwen-plus
Developer: Alibaba Cloud
Context window: 131,000 tokens
Max output: 16,384 tokens
Input: Text, Image
Output: Text
API: OpenAI-compatible, base URL https://api.aimlapi.com/v1

Qwen Plus Description

Developer/Creator: Alibaba Cloud
Release Date: January 25, 2025

Overview:

Qwen-Plus is an advanced large language model developed by Alibaba Cloud, designed to support multiple languages such as Chinese and English.

Key Features:

Multilingual support, including Chinese and English.
Enhanced reasoning capabilities for complex tasks.
Improved instruction-following abilities.

Architecture:

Qwen-Plus is built upon the Transformer architecture, which is the foundation for many state-of-the-art language models. This architecture enables efficient processing of sequential data and supports advanced features like attention mechanisms.

Training Data: The model was trained on a large-scale dataset comprising 18 trillion tokens, providing a strong foundation for common sense, expert knowledge, and reasoning capabilities.
Data Source and Size: The training data encompasses a diverse range of sources, including web pages, books, and other textual materials, ensuring a comprehensive understanding of various topics and languages.
Diversity and Bias: Efforts were made to include diverse data sources to minimize biases. However, like all large language models, Qwen-Plus may still exhibit biases present in the training data. Continuous evaluation and mitigation strategies are employed to address these issues.

Performance Metrics:

Qwen-Plus demonstrates top-tier performance on a wide range of benchmarks evaluating language understanding, reasoning, mathematics, coding, and human preference alignment.

Code Samples:

The model is available on the AI/ML API platform as "Qwen Plus" .

Use cases

enterprise virtual assistants and multilingual customer support
content creation in marketing, creative writing, and roleplaying scenarios
interactive multi-turn chatbots with instruction following and reasoning
multilingual translation and document summarization
API-driven AI agents with external tool integrations
code generation and debugging assistance
educational and research applications involving long-form content comprehension

Capabilities

Function calling
Streaming
Structured outputs
Web search

Qwen Plus API pricing

Qwen Plus pricing in US dollars
Usage	Price	Unit
Input	$0.4	1M tokens
Output	$1.2	1M tokens
Cached input	$0.08	1M tokens

Prices from the AI/ML API price list, checked on Nov 4, 2026.

Qwen Plus vs other models: token prices

AI/ML API input and output rates for 5 models, per million tokens.

AI/ML API model prices in USD per million tokens
Model	Input	Output
Qwen Plus	$0.4	$1.2
Qwen3.8 Omni Flash	$0.15	$0.47
Qwen3.8-Flash	$0.16	$0.47
Qwen 3.8 27B	$0.4761	$3.39
Qwen3.8 Max Prime	$4.23	$12.7

How to use the Qwen Plus API

View docs

Build with your agent

Give your agent the model details, code and documentation.

1Get your API key

Create API key

export AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"

2Make your first request

curl 'https://api.aimlapi.com/v1/chat/completions' \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "alibaba/qwen-plus",
  "messages": [
    {
      "role": "user",
      "content": "Write a haiku about the ocean."
    }
  ]
}'

import os
import requests

headers = {
    "Authorization": f"Bearer {os.environ['AIMLAPI_KEY']}",
    "Content-Type": "application/json",
}
payload = {
    "model": "alibaba/qwen-plus",
    "messages": [
        {
            "role": "user",
            "content": "Write a haiku about the ocean."
        }
    ]
}

response = requests.post("https://api.aimlapi.com/v1/chat/completions", headers=headers, json=payload, timeout=120)
response.raise_for_status()
print(response.json())

const response = await fetch("https://api.aimlapi.com/v1/chat/completions", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "alibaba/qwen-plus",
    "messages": [
      {
        "role": "user",
        "content": "Write a haiku about the ocean."
      }
    ]
  }),
});

if (!response.ok) throw new Error(`HTTP ${response.status}`);
console.log(await response.json());

All posts

Qwen Plus FAQ

What is the context window of Qwen Plus?

Qwen Plus has a 131,000 tokens context window and can return up to 16,384 tokens.

What inputs and outputs does Qwen Plus support?

Qwen Plus takes text as input and returns text.

What is the model ID for Qwen Plus?

Use alibaba/qwen-plus as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.

When was Qwen Plus released?

Qwen Plus became available on September 9, 2025.

How much does Qwen Plus cost?

Qwen Plus costs $0.4 input and $1.2 output per 1M tokens on AI/ML API, billed as you go with no subscription.

Does Qwen Plus support streaming?

Yes, Qwen Plus can stream responses as they are generated.

Who created Qwen Plus?

Qwen Plus was built by Alibaba Cloud.

Does Qwen Plus support function calling for tools?

Yes, Qwen Plus supports function calling, including parallel tool calls and structured outputs.

Start building with Qwen Plus

Get API key

Qwen Plus API

alibaba/qwen-plus

Build with your agent

Give your agent the model details, code and documentation.

1Get your API key

Create API key

export AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"

2Make your first request

curl 'https://api.aimlapi.com/v1/chat/completions' \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "alibaba/qwen-plus",
  "messages": [
    {
      "role": "user",
      "content": "Write a haiku about the ocean."
    }
  ]
}'

import os
import requests

headers = {
    "Authorization": f"Bearer {os.environ['AIMLAPI_KEY']}",
    "Content-Type": "application/json",
}
payload = {
    "model": "alibaba/qwen-plus",
    "messages": [
        {
            "role": "user",
            "content": "Write a haiku about the ocean."
        }
    ]
}

response = requests.post("https://api.aimlapi.com/v1/chat/completions", headers=headers, json=payload, timeout=120)
response.raise_for_status()
print(response.json())

const response = await fetch("https://api.aimlapi.com/v1/chat/completions", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "alibaba/qwen-plus",
    "messages": [
      {
        "role": "user",
        "content": "Write a haiku about the ocean."
      }
    ]
  }),
});

if (!response.ok) throw new Error(`HTTP ${response.status}`);
console.log(await response.json());

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Qwen Plus API

Qwen Plus overview

Qwen Plus by Alibaba Cloud

Qwen Plus specs

Qwen Plus Description

Overview:

Key Features:

Architecture:

Performance Metrics:

Code Samples:

Use cases

Capabilities

Qwen Plus API pricing

Qwen Plus vs other models: token prices

How to use the Qwen Plus API

Build with your agent

1Get your API key

2Make your first request

Related articles

Qwen Plus FAQ

Start building with Qwen Plus

Qwen Plus API

Build with your agent

1Get your API key

2Make your first request

Qwen Plus API

Qwen Plus overview

Qwen Plus by Alibaba Cloud

Qwen Plus specs

Qwen Plus Description

Overview:

Key Features:

Architecture:

Performance Metrics:

Code Samples:

Use cases

Capabilities

Qwen Plus API pricing

Qwen Plus vs other models: token prices

How to use the Qwen Plus API

Build with your agent

1Get your API key

2Make your first request

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Start building with Qwen Plus