---
title: XingChen: Xing4.0 29B A4B (free) | Text Generation | ModelsLab
description: Build with XingChen: Xing4.0 29B A4B (free) API by Xingchen Agi. Text generation, chat, code, and reasoning. Plans from $21/month.
url: https://modelslab.com/models/xingchen-agi/xingchen-agi-xing4.0-29b-a4b-free.md
canonical: https://modelslab.com/models/xingchen-agi/xingchen-agi-xing4.0-29b-a4b-free
type: product
component: Playground/LLM/Index
generated_at: 2026-10-21T07:16:22.836762Z
---

XingChen: Xing4.0 29B A4B (free)
---

 [LLMs.txt](https://modelslab.com/models/xingchen-agi/xingchen-agi-xing4.0-29b-a4b-free/llms.txt) [.md](https://modelslab.com/models/xingchen-agi/xingchen-agi-xing4.0-29b-a4b-free.md)

XingChen: Xing4.0 29B A4B (free)
---

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### XingChen: Xing4.0 29B A4B (free)

xingchen-agi xingchen-agi-xing4.0-29b-a4b-free

Copy model ID

PricingInput $0.00 / 1M tokens

Output $0.00 / 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 Tokens4000

Top P0.9

Frequency Penalty0

Presence Penalty0

Thinkinglow

lowmediumhigh

Deeper thinking spends more of the Max Tokens budget before the answer starts.

Model Info

Support

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About XingChen: Xing4.0 29B A4B (Free)
---

Xing4.0-29B-A4B is an open-weight mixture-of-experts language model from China Telecom's AI team (TeleAI) and the successor to the TeleChat series. It has 29B total parameters with 4B active per token...

### Technical Specifications

Model IDxingchen-agi-xing4.0-29b-a4b-free

CategoryLLM Models

TaskText Generation

AddedOctober 16, 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 XingChen: Xing4.0 29B A4B (Free) 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": "xingchen-agi-xing4.0-29b-a4b-free",
        "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>
```

### Use Cases

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

[Browse LLM Models](https://modelslab.com/models?feature=llmaster) [More from Xingchen Agi](https://modelslab.com/models/open_router) [View Pricing](https://modelslab.com/pricing)

XingChen: Xing4.0 29B A4B (Free) FAQ
---

### What is XingChen: Xing4.0 29B A4B (Free)?

Xing4.0-29B-A4B is an open-weight mixture-of-experts language model from China Telecom's AI team (TeleAI) and the successor to the TeleChat series. It has 29B total parameters with 4B active per token...

### How do I use the XingChen: Xing4.0 29B A4B (Free) API?

You can integrate XingChen: Xing4.0 29B A4B (Free) into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "xingchen-agi-xing4.0-29b-a4b-free" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation.

### What is the XingChen: Xing4.0 29B A4B (Free) model ID?

The model ID for XingChen: Xing4.0 29B A4B (Free) is "xingchen-agi-xing4.0-29b-a4b-free". Use this ID in your API requests to specify this model.

### Do I need a paid plan to use XingChen: Xing4.0 29B A4B (Free)?

Yes. ModelsLab is subscription-based with no free tier — plans start at $21/month (Basic, 3,250 API calls). The $149/month Open Source Unlimited plan includes unlimited generation across open-source models; premium third-party models are billed per call from your wallet.

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*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)

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*Generated by ModelsLab - 2026-10-21*