Hunyuan 3 · impossibl

Hunyuan 3 is Tencent's open-weight mixture-of-experts model, released under Apache 2.0 for software development, office productivity, and financial modeling. Over Hy2 it improves complex reasoning, instruction following, code generation, and agent capabilities, and exposes configurable reasoning effort.

Base model All models on this base All models of the provider to the provider

Input, $/1M $0.13

Output, $/1M $0.53

Cache read $0.033

Cache write —

Context 262 144

Accepts text

Last checked 04.11.2026 12:00:14 UTC

Source provider's page

Price alerts

API

OpenAI-compatible API: the official OpenAI SDKs work with this base URL. Replace YOUR_API_KEY with your key from the provider.

API base URL	`https://api.impossibl.com/v1`
Endpoint	`https://api.impossibl.com/v1/chat/completions`
Model id	`tencent/hy3`

curl

curl https://api.impossibl.com/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "tencent/hy3", "messages": [{"role": "user", "content": "Hello!"}], "max_tokens": 256}'

Python

import requests

r = requests.post(
    "https://api.impossibl.com/v1/chat/completions",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
      "model": "tencent/hy3",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ],
      "max_tokens": 256
    },
)
print(r.json())

JavaScript

const r = await fetch("https://api.impossibl.com/v1/chat/completions", {
  method: "POST",
  headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
  body: JSON.stringify({
    "model": "tencent/hy3",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ],
    "max_tokens": 256
  }),
});
console.log(await r.json());

Request (JSON)

{
  "model": "tencent/hy3",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ],
  "max_tokens": 256
}

Response (JSON)

{
  "id": "chatcmpl-...",
  "object": "chat.completion",
  "model": "tencent/hy3",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Hi! How can I help?"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 9,
    "completion_tokens": 12,
    "total_tokens": 21
  }
}

The address is taken from the provider's model list; check it against the provider's documentation.

Provider's API documentation

Source: AI Rate Card, https://airatecard.com/en/c/offer%3Aimpossibl%7Ctencent/hy3, prices checked 2026-11-04; seller's page: https://impossibl.com/models/tencent/hy3

Technical details

ID: offer:impossibl|tencent/hy3