Hy4 Preview is Tencent's language model with a 1.0M context window and up to 64K output tokens, available from 2 providers, starting at $0.834 / 1M input and $2.50 / 1M output. A mixture-of-experts large language model from Tencent with 49B active parameters out of 770B total, designed for coding agents, complex tool-use workflows, and productivity tasks.
Specifications
Canonical IDtencent-hy-4-preview
TypeLanguage
StatusActive
CreatorTencentTencent
Providers
Context Window1.0M tokens
Max Output64K tokens
Input ModalitiesText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 4 days ago

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities5/13
Reasoning
Adaptive Reasoning·
Function Calling
Parallel Function Calling·
Structured Outputs
Native JSON Schema
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
OpenRouter logo
OpenRouter
tencent/hy4-preview
$0.834$2.50$0.042
Vercel AI Gateway logo
Vercel AI Gateway
tencent/hy4-preview
$0.834$2.50$0.042

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Hy4 Preview1.0M$0.834$2.50Current
Hy 3262K$0.132$0.528Available

Model IDs

tencent-hy-4-preview
tencent/hy4-preview