Hy3 API

tencent/hy3
Hy3 is Tencent's 295B-parameter Mixture-of-Experts model (21B active) for reasoning, agentic workflows, and production coding tasks.
Context
262K tokens
Input
$0.27508 / 1M tokens
Output
$1.10032 / 1M tokens
Released
Jul 6, 2026

How to use Hy3 API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to tencent/hy3.
import requests

r = requests.post(
    "https://api.aimlapi.com/v1/chat/completions",
    headers={"Authorization": "Bearer " + AIMLAPI_KEY},
    json={
      "model": "tencent/hy3",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ]
    },
)
print(r.json())
const r = await fetch("https://api.aimlapi.com/v1/chat/completions", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "tencent/hy3",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ]
  }),
});
console.log(await r.json());
curl -X POST https://api.aimlapi.com/v1/chat/completions \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"tencent/hy3","messages":[{"role":"user","content":"Hello!"}]}'

OpenAI-compatible — swap the base URL and it works with your existing SDK.

Hy3 API Pricing

TypePrice
Input
$0.27508 / 1M tokens
Output
$1.10032 / 1M tokens
Cached input
$0.06877 / 1M tokens

Hy3 Benchmarks

BenchmarkScoreWhat it measuresSourceRetrieved
Intelligence
25.8
Composite score across standardised reasoning, knowledge and problem-solving evaluations, measured independently by Artificial AnalysisSourceSeptember 12, 2026
Coding
58.8
Composite score across standardised coding evaluations, measured independently by Artificial AnalysisSourceSeptember 12, 2026

Hy3 vs other models

ModelInputOutputContextBest for
Hy3
This page
$0.27508 / 1M tokens
$1.10032 / 1M tokens
262K tokens
Reasoning + agents
$6.5 / 1M tokens
$39 / 1M tokens
1.05M tokens
Reasoning + agents
$2.6 / 1M tokens
$13 / 1M tokens
1M tokens
Balanced coding + agents
$3.9 / 1M tokens
$19.5 / 1M tokens
1M tokens
Long-context, multimodal & agentic workflows
$0.65 / 1M tokens
$3.9 / 1M tokens
1.05M tokens
Reasoning + agents

Frequently asked questions

Hy3 has a 262,144 tokens context window and can return up to 131,072 tokens.

Hy3 takes image, text as input and returns text.

Use tencent/hy3 as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.

Hy3 became available on July 6, 2026.

Hy3 is priced at input $0.27508 / 1M tokens, output $1.10032 / 1M tokens, cached input $0.06877 / 1M tokens.

Yes, Hy3 can stream responses as they are generated.

Yes, Hy3 accepts image input alongside text.

Hy3 was built by Tencent.

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