Hy3 Preview API
Tencent's chat model. Call it on 666 AI with the same API key as every other model. Pay as you go; prices follow the upstream in real time and this page updates hourly.
| Vendor | Tencent |
| Type | chat |
| Price | $0.243 per 1M input tokens · $0.81 per 1M output tokens |
| Live test | Passed our live test in the last 7 days |
| Model ID (use this in your request) | tencent/hy3-preview |
How to call Hy3 Preview
The API is OpenAI-compatible. Replace YOUR-ENDPOINT with the endpoint shown on your API Key page after you sign up, and YOUR-KEY with your key.
curl https://YOUR-ENDPOINT/v1/chat/completions \
-H "Authorization: Bearer YOUR-KEY" \
-H "Content-Type: application/json" \
-d '{"model": "tencent/hy3-preview", "messages": [{"role": "user", "content": "Hello"}]}'from openai import OpenAI
client = OpenAI(base_url="https://YOUR-ENDPOINT/v1", api_key="YOUR-KEY")
r = client.chat.completions.create(
model="tencent/hy3-preview",
messages=[{"role": "user", "content": "Hello"}],
)
print(r.choices[0].message.content)Similar models — price comparison
| Model | Price |
|---|---|
| GPT 6 Luna | $0.1215 per 1M input tokens · $0.6075 per 1M output tokens |
| Claude Haiku 5.5 | $0.135 per 1M input tokens · $0.675 per 1M output tokens |
| Qwen3.8 Flash | $0.2025 per 1M input tokens · $0.6345 per 1M output tokens |
| Hy3 | $0.189 per 1M input tokens · $0.783 per 1M output tokens |
| MiniMax M3 | $0.324 per 1M input tokens · $1.3 per 1M output tokens |
| DeepSeek V4 Pro 0813 | $0.6075 per 1M input tokens · $1.08 per 1M output tokens |
More models from Tencent
| Model | Price |
|---|---|
| GLM 5.3 | $0.2417 per 1M input tokens · $1.89 per 1M output tokens |
FAQ
How much does the Hy3 Preview API cost?
On 666 AI, Hy3 Preview costs $0.243 per 1M input tokens · $0.81 per 1M output tokens. You pay only for what you use — no monthly fee. Prices follow the upstream in real time; this page updates every hour.
Can I use the official OpenAI SDK?
Yes. The API is OpenAI-compatible: in the OpenAI Python or Node.js SDK just change base_url and api_key, and set model to tencent/hy3-preview.
How do I pay?
Bank card (including Google Pay / Apple Pay), USDT / ETH, or bank wire. Top up once and usage is deducted as you go.