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Tencent

Available in Shortly AI

Hy3

Released July 6, 2026

ReasoningTool Use

Tencent Hy3 is an open-source Mixture-of-Experts (MoE) large language model developed by Tencent's Hunyuan team. It has 295B total parameters, 21B active parameters, a 3.8B-parameter MTP layer, and a 256K context window. Hy3 is designed for agentic workflows, coding, reasoning, long-context understanding, tool-use scenarios, document analysis, and structured generation. The model improves on Hy3 Preview with stronger tool-call reliability, better output-format stability, improved long-context retention, and lower hallucination rates in Tencent's internal evaluations.

Context window
256K tokens
Maximum output
128K tokens
Input pricing
$0.13/M
Output pricing
$0.53/M