---
title: Tencent: Hy4 Preview API | Text Generation | ModelsLab
description: Build with Tencent: Hy4 Preview API by Tencent. Text generation, chat, code, and reasoning. Plans from $21/month.
url: https://modelslab.com/models/tencent/tencent-hy4-preview.md
canonical: https://modelslab.com/models/tencent/tencent-hy4-preview
type: product
component: Playground/LLM/Index
generated_at: 2026-09-02T07:20:44.244811Z
---

Tencent: Hy4 preview
---

 [LLMs.txt](https://modelslab.com/models/tencent/tencent-hy4-preview/llms.txt) [.md](https://modelslab.com/models/tencent/tencent-hy4-preview.md)

Tencent: Hy4 preview
---

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

 Explain quantum computing in simple terms

 Write a Python function to sort a list

 Create a marketing email for a SaaS product

 Compare REST vs GraphQL APIs

text files

Send

### Tencent: Hy4 preview

tencent tencent-hy4-preview

Copy model ID

PricingInput $0.834 / 1M tokens

Output $2.501 / 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

Looking for something different?
---

Models that trade off differently against the one you are viewing

### Better quality

Newer flagship models that generally produce stronger results.

[![GPT 5.2](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/2bdd00f4-1692-49d8-a562-72cb1753d0ff.png)](https://modelslab.com/models/openai/gpt-5.2)[OpenAI](https://modelslab.com/models/openai)

 [GPT 5.2](https://modelslab.com/models/openai/gpt-5.2)

[![GPT 5.1](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/fad83520-47a8-4059-b4b9-b32adf4d0be7.png)](https://modelslab.com/models/openai/gpt5.1)[OpenAI](https://modelslab.com/models/openai)

 [GPT 5.1](https://modelslab.com/models/openai/gpt5.1)

[![Gemini 3 Pro Preview](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/1846e76f-9d5c-4a35-a43a-82db45b7bb8b.png)](https://modelslab.com/models/google/gemini-3-pro-preview)[Google](https://modelslab.com/models/google)

 [Gemini 3 Pro Preview](https://modelslab.com/models/google/gemini-3-pro-preview)

[![GPT-5.1-Codex-Max](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/06356c4c-df09-4ccb-a5c0-629da670f75b.png)](https://modelslab.com/models/openai/gpt-5.1-codex-max)[OpenAI](https://modelslab.com/models/openai)

 [GPT-5.1-Codex-Max](https://modelslab.com/models/openai/gpt-5.1-codex-max)

### Lower cost per run

Open-source models we host, unlimited on the $149/month plan.

[Modelslab: Custom LLM

Popular](https://modelslab.com/models/modelslab/uncensored-chat)[ModelsLab](https://modelslab.com/models/modelslab)

 [Modelslab: Custom LLM

Open Source Model](https://modelslab.com/models/modelslab/uncensored-chat)

[![Gemini 2.5 Flash](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/4fc6b09e-c7ae-4301-aed1-0b180b88157b.png)](https://modelslab.com/models/google/gemini-2.5-flash)[Google](https://modelslab.com/models/google)

 [Gemini 2.5 Flash

Closed Source Model](https://modelslab.com/models/google/gemini-2.5-flash)

[Qwen: Qwen3 235B A22B Instruct 2507](https://modelslab.com/models/qwen/qwen-qwen3-235b-a22b-2507)[Qwen](https://modelslab.com/models/open_router)

 [Qwen: Qwen3 235B A22B Instruct 2507

Closed Source Model](https://modelslab.com/models/qwen/qwen-qwen3-235b-a22b-2507)

[![gpt-oss-20b](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/8b2f0440-52cc-4f41-93eb-d31006ad71e2.webp)](https://modelslab.com/models/openai/gpt-oss-20b)[OpenAI](https://modelslab.com/models/openai)

 [gpt-oss-20b

Closed Source Model](https://modelslab.com/models/openai/gpt-oss-20b)

[![DeepSeek: DeepSeek V4 Flash 0423](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/267a7228-f392-4d3e-abb6-915fef640c49.png)](https://modelslab.com/models/deepseek/deepseek-deepseek-v4-flash)[DeepSeek](https://modelslab.com/models/open_router)

 [DeepSeek: DeepSeek V4 Flash 0423

Closed Source Model](https://modelslab.com/models/deepseek/deepseek-deepseek-v4-flash)

[![Google: Gemini 3.1 Flash Lite](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/05dab216-0dbb-4160-8e12-6c2984e61eea.png)](https://modelslab.com/models/google/google-gemini-3.1-flash-lite)[Google](https://modelslab.com/models/open_router)

 [Google: Gemini 3.1 Flash Lite

Closed Source Model](https://modelslab.com/models/google/google-gemini-3.1-flash-lite)

Related Models
---

Discover similar models you might be interested in

 [View all LLM Models](https://modelslab.com/models?feature=llmaster)

[#### Anthropic/Claude Opus 5

anthropic-claude-opus-5

From $15.00/M tokens](https://modelslab.com/models/anthropic/anthropic-claude-opus-5)

[#### Qwen/Qwen2.5 72B Instruct

Qwen-Qwen2.5-72B-Instruct

From $1.20/M tokens](https://modelslab.com/models/Qwen/Qwen-Qwen2.5-72B-Instruct)

[#### Anthropic/Anthropic: Claude 3 Haiku

anthropic-claude-3-haiku

From $0.75/M tokens](https://modelslab.com/models/anthropic/anthropic-claude-3-haiku)

[#### DeepSeek/DeepSeek: DeepSeek V4 Flash Vision Exp

deepseek-deepseek-v4-flash-vision-exp

From $0.88/M tokens](https://modelslab.com/models/deepseek/deepseek-deepseek-v4-flash-vision-exp)

[#### Meta/Meta Llama 3.2 11B Vision Instruct Turbo

meta-llama-Llama-3.2-11B-Vision-Instruct-Turbo

From $0.05/M tokens](https://modelslab.com/models/meta/meta-llama-Llama-3.2-11B-Vision-Instruct-Turbo)

[#### Anthropic/Anthropic Claude Haiku Latest

anthropic-claude-haiku-latest

From $3.00/M tokens](https://modelslab.com/models/anthropic/anthropic-claude-haiku-latest)

[#### DeepSeek/DeepSeek: DeepSeek V3.1

deepseek-deepseek-chat-v3.1

From $0.60/M tokens](https://modelslab.com/models/deepseek/deepseek-deepseek-chat-v3.1)

[#### Amazon/Amazon: Nova Micro 1.0

amazon-nova-micro-v1

From $0.09/M tokens](https://modelslab.com/models/amazon/amazon-nova-micro-v1)

[#### Mistral AI/Mistral: Mistral Medium 3.5

mistralai-mistral-medium-3-5

From $4.50/M tokens](https://modelslab.com/models/mistralai/mistralai-mistral-medium-3-5)

[#### Anthropic/Anthropic: Claude Sonnet 4

anthropic-claude-sonnet-4

From $9.00/M tokens](https://modelslab.com/models/anthropic/anthropic-claude-sonnet-4)

[#### Moonshot AI/MoonshotAI: Kimi K2.7 Code

moonshotai-kimi-k2.7-code

From $2.03/M tokens](https://modelslab.com/models/moonshotai/moonshotai-kimi-k2.7-code)

[#### Nous Research/Nous: Hermes 3 70B Instruct

nousresearch-hermes-3-llama-3.1-70b

From $0.70/M tokens](https://modelslab.com/models/nousresearch/nousresearch-hermes-3-llama-3.1-70b)

[#### Thedrummer/TheDrummer: UnslopNemo 12B

thedrummer-unslopnemo-12b

From $0.40/M tokens](https://modelslab.com/models/thedrummer/thedrummer-unslopnemo-12b)

[#### Poolside/Poolside: Laguna XS 2.1

poolside-laguna-xs-2.1

From $0.09/M tokens](https://modelslab.com/models/poolside/poolside-laguna-xs-2.1)

[#### Meta/Meta Llama 3.1 8B Instruct Turbo

meta-llama-Meta-Llama-3.1-8B-Instruct-Turbo

From $0.18/M tokens](https://modelslab.com/models/meta/meta-llama-Meta-Llama-3.1-8B-Instruct-Turbo)

[#### Qwen/Qwen: Qwen3.5 397B A17B

qwen-qwen3.5-397b-a17b

From $1.36/M tokens](https://modelslab.com/models/qwen/qwen-qwen3.5-397b-a17b)

[#### MiniMax/MiniMax: MiniMax M2.7

minimax-minimax-m2.7

From $0.75/M tokens](https://modelslab.com/models/minimax/minimax-minimax-m2.7)

[#### Qwen/Qwen: Qwen2.5 7B Instruct

qwen-qwen-2.5-7b-instruct

From $0.15/M tokens](https://modelslab.com/models/qwen/qwen-qwen-2.5-7b-instruct)

About Tencent: Hy4 Preview
---

Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total. It is designed for coding agents, complex tool-use workflows, and productivity tasks that...

### Technical Specifications

Model IDtencent-hy4-preview

CategoryLLM Models

TaskText Generation

Price$1.67 per million tokens

AddedAugust 28, 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 Tencent: Hy4 Preview 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": "tencent-hy4-preview",
        "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>
```

### Pricing

Tencent: Hy4 Preview API costs $1.67 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

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

Tencent: Hy4 Preview FAQ
---

### What is Tencent: Hy4 Preview?

Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total. It is designed for coding agents, complex tool-use workflows, and productivity tasks that...

### How do I use the Tencent: Hy4 Preview API?

You can integrate Tencent: Hy4 Preview into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "tencent-hy4-preview" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation.

### How much does Tencent: Hy4 Preview cost?

Tencent: Hy4 Preview costs $1.67 per million tokens. ModelsLab plans start at $21/month (Basic), and the $149/month Open Source plan includes unlimited generation on open-source models.

### What is the Tencent: Hy4 Preview model ID?

The model ID for Tencent: Hy4 Preview is "tencent-hy4-preview". Use this ID in your API requests to specify this model.

### Do I need a paid plan to use Tencent: Hy4 Preview?

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.

---

*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 - 2026-09-02*