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Tencent: Hy3 preview: AI model

Hy3 preview is Tencent's efficient Mixture-of-Experts model with configurable reasoning levels and a 262K-token context, via Hormouz.

Context window:
262,144 tokens
Input:
$0.18/1M tokens
Output:
$0.6/1M tokens
Type:
text
  • Tools
  • Streaming
  • Long context

Thinking levels: high · low · none

Hy3 preview is a high-efficiency Mixture-of-Experts model from Tencent, designed for agentic workflows and production use. It lets you choose a reasoning level. Disabled, low or high. So you can trade speed for depth depending on the task.

It is tuned for strong code generation and reliable performance across multi-step, real-world workflows, and it supports tool calling, which makes it a practical backbone for agents.

Through Hormouz, Hy3 preview is served behind an OpenAI-compatible API. Point your base URL at Hormouz, drop in a Hormouz key, and existing OpenAI SDK code runs unchanged. Pricing is usage-based: $0.063 per million input tokens and $0.21 per million output tokens, with no fixed monthly fee.

Hormouz provides stable access to Hy3 preview from inside Iran, with no foreign credit card or circumvention tooling required.

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...

Quickstart

curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "tencent/hy3-preview",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Specs

VendorTencent
TypeText
Context window262,144 tokens
Pricing$0.18/M in · $0.60/M out
APIChat Completions
CapabilitiesStreaming · Tools

Benchmarks

Reasoning

GPQA Diamond
Graduate-level scientific reasoning
73.2%
HLE
Humanity's Last Exam
7%
IFBench
Instruction-following
48%
AA-LCR
Long-context reasoning
42%
CritPt
Research-level physics reasoning
0.3%
AA Omniscience
Broad factual knowledge accuracy
23.2%
Non-Hallucination
Rate of avoiding fabricated answers
24.3%

Coding

Terminal-Bench Hard
Agentic coding & terminal use
31.8%

Agentic

τ²-Bench
Tool-use agents in dual-control scenarios
67.5%

Source: Artificial Analysis

Code example

cURL
curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "tencent/hy3-preview",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
Python
from openai import OpenAI
client = OpenAI(api_key="ng-YOUR_API_KEY", base_url="https://api.hormouz.net/v1")
response = client.chat.completions.create(
    model="tencent/hy3-preview",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)
JavaScript
import OpenAI from "openai";
const client = new OpenAI({ apiKey: "ng-YOUR_API_KEY", baseURL: "https://api.hormouz.net/v1" });
const response = await client.chat.completions.create({
  model: "tencent/hy3-preview",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Buy the Tencent: Hy3 preview API, paid in rial

  • Buy credit with an Iranian bank card; no foreign card or account needed.
  • One Hormouz key reaches Tencent: Hy3 preview and 600+ other models, and you pay only for what you use.
  • No VPN and no risk of a banned account; just change the base URL to api.hormouz.net/v1.
Create an account

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FAQ

What is Hy3 preview and what is it good for?
Hy3 preview is Tencent's efficient Mixture-of-Experts model with configurable reasoning levels.
What is the context window of Hy3 preview?
It supports up to 262K tokens of context, which suits large codebases and long agent workflows.
How much does Hy3 preview cost?
Pricing is usage-based: $0.063 per million input tokens and $0.21 per million output tokens. There is no fixed monthly fee. You pay only for what you use.
How do I access Hy3 preview from inside Iran?
Create an account on Hormouz and generate an API key. Hormouz provides a stable path to Hy3 preview from inside Iran, with no foreign credit card required.
Is Hy3 preview compatible with OpenAI code?
Yes. Hormouz exposes an OpenAI-compatible API. Just change the base URL to Hormouz and swap in your Hormouz key. Your existing SDKs and code run without a rewrite.

Updated 2026-10-13