Hunyuan Hy4 Preview API

Name: Hunyuan Hy4 Preview
Brand: Tencent
Price: 0.834 USD
Availability: InStock

Tencent's next-generation Hunyuan flagship in preview. A 1M-token context window with strong bilingual reasoning and agentic tool use — served at provider list price with zero platform fee.

$0.834

Input / 1M tokens

$2.501

Output / 1M tokens

Context window

Platform fee

Why use Hunyuan Hy4 Preview on NovAI?

1M-token context - reason over full documents, codebases and long conversations
Strong bilingual reasoning - fluent Chinese & English comprehension and generation
Agentic tool use - function calling and multi-step task execution
Next-gen preview access - early access to Tencent's newest flagship tier
Zero platform fee - pay the raw provider list price, no markup
Hong Kong low-latency access through NovAI's zero-fee gateway

Best use cases

Long-document analysis and summarization
Chinese enterprise assistants and customer support
Agentic workflows with tool calling
Research and knowledge synthesis
General high-quality chat

Quick start

cURL

curl https://aiapi-pro.com/v1/chat/completions \
  -H "Authorization: Bearer $NOVAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "hy4-preview",
    "messages": [{"role":"user","content":"Summarize the key risks in this 200-page contract"}]
  }'

Python (OpenAI SDK)

from openai import OpenAI
client = OpenAI(
    base_url="https://aiapi-pro.com/v1",
    api_key="YOUR_NOVAI_API_KEY",
)
resp = client.chat.completions.create(
    model="hy4-preview",
    messages=[{"role":"user","content":"Summarize the key risks in this 200-page contract"}],
)
print(resp.choices[0].message.content)