---
title: Qwen: Qwen3.5 Plus 2026 02 15 | Text Generation | ModelsLab
description: Powerful vision-language LLM with 1M token context, hybrid linear attention + MoE architecture, text/image/video input, adaptive Auto mode with tools for.
url: https://modelslab.com/models/qwen/qwen-qwen3.5-plus-02-15.md
canonical: https://modelslab.com/models/qwen/qwen-qwen3.5-plus-02-15.md
type: product
component: Playground/LLM/Index
generated_at: 2026-04-15T00:24:14.640587Z
---

Qwen: Qwen3.5 Plus 2026-02-15
---

 [LLMs.txt](https://modelslab.com/models/open_router/qwen-qwen3.5-plus-02-15/llms.txt) [.md](https://modelslab.com/models/qwen/qwen-qwen3.5-plus-02-15.md)

qwen-qwen3.5-plus-02-15 qwen Closed Source Model $0.910000 / call

Qwen: Qwen3.5 Plus 2026-02-15
---

Choose a prompt below to get started or type your own message

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Send

### Qwen: Qwen3.5 Plus 2026-02-15

qwen qwen-qwen3.5-plus-02-15

Copy model ID

PricingInput $0.26 / 1M tokens

Output $1.56 / 1M tokens

API EndpointsOpenAI Compatible

`https://modelslab.com/api/v7/llm/chat/completions`Endpoint

Anthropic Compatible

`https://modelslab.com/api/v7/llm/v1/messages`Messages

`https://modelslab.com/api/v7/llm/v1/messages/count_tokens`Count Tokens

`https://modelslab.com/api/v7/llm/v1/models`Models

Use with Claude Code

cURL Example

ParametersSystem MessageYou are a helpful AI assistant specialized in providing accurate and detailed responses.

Temperature0.7

Max Tokens1000

Top P0.9

Frequency Penalty0

Presence Penalty0

Model Info

Support

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About Qwen: Qwen3.5 Plus 2026-02-15
---

The Qwen3.5 native vision-language series Plus models are built on a hybrid architecture that integrates linear attention mechanisms with sparse mixture-of-experts models, achieving higher inference efficiency. In a variety of...

### Technical Specifications

Model IDqwen-qwen3.5-plus-02-15CategoryLLM ModelsTaskText GenerationPrice$0.910000 per million tokensAddedFebruary 20, 2026

### Key Features

- Chat completion and multi-turn conversation API
- Streaming response with token-by-token output
- Function calling and tool use support
- System prompts and role-based messaging
- JSON mode and structured output

### Quick Start

Integrate Qwen: Qwen3.5 Plus 2026-02-15 into your application with a single API call. Get your API key from the [pricing page](https://modelslab.com/pricing) to get started.

PythonJavaScriptcURLPHP

```
<code>import requests
import json

url = "https://modelslab.com/api/v7/llm/chat/completions"

headers = {
    "Content-Type": "application/json"
}

data = {
        "model_id": "qwen-qwen3.5-plus-02-15",
        "messages": [
            {
                "role": "user",
                "content": "Hello!"
            }
        ],
        "max_tokens": 1000,
        "key": "YOUR_API_KEY"
    }

try:
    response = requests.post(url, headers=headers, json=data)
    response.raise_for_status()  # Raises an HTTPError for bad responses (4XX or 5XX)
    result = response.json()
    print("API Response:")
    print(json.dumps(result, indent=2))
except requests.exceptions.HTTPError as http_err:
    print(f"HTTP error occurred: {http_err} - {response.text}")
except Exception as err:
    print(f"Other error occurred: {err}")</code>
```

View the [full API documentation](https://modelslab.com/models/qwen/qwen-qwen3.5-plus-02-15/api) for SDKs, code examples in Python, JavaScript, and more.

### Pricing

Qwen: Qwen3.5 Plus 2026-02-15 API costs $0.910000 per million tokens. Pay only for what you use with no minimum commitments. [View pricing plans](https://modelslab.com/pricing)

### Use Cases

- AI chatbots and virtual assistants
- Code generation and developer tools
- Content writing and copywriting automation
- Data analysis, summarization, and extraction

[Learn more about Qwen: Qwen3.5 Plus 2026-02-15](https://modelslab.com/qwen-qwen35-plus-2026-02-15) [Browse LLM Models](https://modelslab.com/models?feature=llmaster) [More from Qwen](https://modelslab.com/models/open_router) [View Pricing](https://modelslab.com/pricing)

Qwen: Qwen3.5 Plus 2026-02-15 FAQ
---

### What is Qwen: Qwen3.5 Plus 2026-02-15?

The Qwen3.5 native vision-language series Plus models are built on a hybrid architecture that integrates linear attention mechanisms with sparse mixture-of-experts models, achieving higher inference efficiency. In a variety of...

### How do I use the Qwen: Qwen3.5 Plus 2026-02-15 API?

You can integrate Qwen: Qwen3.5 Plus 2026-02-15 into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "qwen-qwen3.5-plus-02-15" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation.

### How much does Qwen: Qwen3.5 Plus 2026-02-15 cost?

Qwen: Qwen3.5 Plus 2026-02-15 costs $0.910000 per million tokens. ModelsLab uses pay-per-use pricing with no minimum commitments. A free tier is available to get started.

### What is the Qwen: Qwen3.5 Plus 2026-02-15 model ID?

The model ID for Qwen: Qwen3.5 Plus 2026-02-15 is "qwen-qwen3.5-plus-02-15". Use this ID in your API requests to specify this model.

### Does Qwen: Qwen3.5 Plus 2026-02-15 have a free tier?

Yes, ModelsLab offers a free tier that lets you try Qwen: Qwen3.5 Plus 2026-02-15 and other AI models. Sign up to get free API credits and start building immediately.

---

*This markdown version is optimized for AI agents and LLMs.*

**Links:**
- [Website](https://modelslab.com)
- [API Documentation](https://docs.modelslab.com)
- [Blog](https://modelslab.com/blog)

---
*Generated by ModelsLab - 2026-04-15*