Hy3 preview
TencentReleased Apr 22, 2026
Hy3 preview is a high-efficiency Mixture-of-Experts model from Tencent designed for agentic workflows and production use. It supports configurable reasoning levels across disabled, low, and high modes, allowing it to...
- Context window
- 262K tokens
- Input
- text
- Output
- text
- Tokenizer
- Other
- Released
- Apr 22, 2026
- Reasoning
- optional
Pricing
Per 1M tokens. The provider price and our flat 3% fee are separate columns — what you pay is their sum.
| Per 1M tokens | Provider | + 3% fee | You pay |
|---|---|---|---|
| Input | $0.063 | $0.0019 | $0.065 |
| Output | $0.210 | $0.0063 | $0.216 |
| Cache read | $0.021 | $0.0006 | $0.022 |
Supported parameters
- frequency_penalty
- include_reasoning
- max_tokens
- presence_penalty
- reasoning
- seed
- stop
- temperature
- tool_choice
- tools
- top_k
- top_p
Call it
OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model tencent/hy3-preview.
curl https://api.openkey.ai/v1/chat/completions \
-H "Authorization: Bearer $OPENKEY_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "tencent/hy3-preview",
"messages": [{"role": "user", "content": "Hello"}]
}'import os
from openai import OpenAI
client = OpenAI(
base_url="https://api.openkey.ai/v1",
api_key=os.environ["OPENKEY_API_KEY"],
)
completion = client.chat.completions.create(
model="tencent/hy3-preview",
messages=[{"role": "user", "content": "Hello"}],
)
print(completion.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.openkey.ai/v1",
apiKey: process.env.OPENKEY_API_KEY,
});
const completion = await client.chat.completions.create({
model: "tencent/hy3-preview",
messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);Questions
- How much does Hy3 preview cost via API?
- Through OpenKey, Hy3 preview costs $0.065 per 1M input tokens and $0.216 per 1M output tokens. That is the provider price ($0.063 / $0.210) plus a flat 3% fee — nothing else.
- What is Hy3 preview's context window?
- Hy3 preview accepts up to 262K tokens of context.
- Is Hy3 preview OpenAI-compatible?
- Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "tencent/hy3-preview" using any OpenAI SDK — only the base URL and API key change.
- What inputs does Hy3 preview support?
- Hy3 preview accepts text input and produces text output.