Tencent

Hy4

by Tencenttext+image->text

Overview

The official release of Hy4 delivers comprehensive and substantial improvements over Hy4 Preview, with particularly strong gains in agentic capabilities and performance across a wide range of long-horizon, real-world productivity...

Capabilities

Text generation
Image understanding
Tool use / Function calling
Structured output
Extended reasoning
Prompt caching
Long context
Stop sequences

Modalities

Input
TextImage
Output
Text

Technical Specifications

Context Window
1.0M tokens
Max Output
65.5K tokens
Tokenizer
Other

Supported Parameters

include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstemperaturetool_choicetools

Pricing

Per 1M tokens
Input$0.42
Output$1.25
Cache read$0.02
Added
November 4, 2026
Last synced 11/6/2026