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Tencent: Hy4 preview

Source description (English)

Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total. It is designed for coding agents, complex tool-use workflows, and productivity tasks that...

View source on OpenRouter Hugging Face
Overview

Model specifications

Context
1,048,576 tokens
Maximum output
64,000 tokens
Architecture
text->text
Tokenizer
Other
Knowledge cutoff
Not provided
Moderated
No
OPENROUTER

Complete pricing

Synchronized OpenRouter rates. Token prices are shown per one million tokens.

Input
$0.834
per 1M tokens
Output
$2.501
per 1M tokens
Cache read
$0.042
per 1M tokens
API

Model configuration

Reasoning

Reasoning required
No
Default parameters
high
Capabilities
high, low, none
API

Quick start

Set OPENROUTER_API_KEY locally. Python requires requests; JavaScript runs in Node.js. Keep the key on the server.

API documentation

curl --fail-with-body https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"tencent/hy4-preview","messages":[{"role":"user","content":"Hello!"}]}'
Capabilities

Input → Output

Input
text
Output
text
Reasoning

Yes · high · low · none

API

Supported API parameters

frequency_penaltyinclude_reasoningmax_completion_tokensmax_tokenspresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_p
Available providers

3 providers

Checked: September 23, 2026

Live providers on OpenRouter

Provider availability, latency, throughput and routing can change continuously. Open the source page for current operational data.

OpenRouter

Novita

fp8
Context
1M
Maximum output
64K
Input
$0.834
Output
$2.501
Cache read
$0.042
Cache write
Not provided

SiliconFlow

fp8
Context
1.0M
Maximum output
262K
Input
$0.834
Output
$2.501
Cache read
$0.042
Cache write
Not provided

Tencent

fp8
Context
1.0M
Maximum output
64K
Input
$0.834
Output
$2.501
Cache read
$0.042
Cache write
Not provided
tencent

4 models

All models
tencent logotencent

Tencent: Hy-MT2-1.8B

Hy-MT2-1.8B is a compact 1.8B-parameter translation model from Tencent. It supports 33 language pairs and five Chinese dialect and minority-language pairs, with workflows for structured, delimiter-based, contextual, glossary-based, and style-guided...

Context
8K
Input
text
Output
text
Input: $0.044Output: $0.177per 1M tokens
View model details →
tencent logotencent

Tencent: Hy-MT2-30B-A3B

Hy-MT2-30B-A3B is Tencent's flagship translation model in the Hy-MT2 family. It supports 33 language pairs and five Chinese dialect and minority-language pairs, with workflows for structured, delimiter-based, contextual, glossary-based, and...

Context
8K
Input
text
Output
text
Input: $0.074Output: $0.295per 1M tokens
View model details →
tencent logotencent

Tencent: Hy-MT2-7B

Hy-MT2-7B is a 7B-parameter translation model from Tencent. It supports 33 language pairs and five Chinese dialect and minority-language pairs, with workflows for structured, delimiter-based, contextual, glossary-based, and style-guided translation.

Context
8K
Input
text
Output
text
Input: $0.074Output: $0.295per 1M tokens
View model details →
tencent logotencent

Tencent: Hy3

Hy3 is a 295B-parameter Mixture-of-Experts model from Tencent (21B active, 192 experts with top-8 routing) built for reasoning, agentic workflows, and real-world production use. It supports a configurable reasoning effort:...

Context
262K
Input
text
Output
text
Input: $0.132Output: $0.528per 1M tokens
View model details →