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