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Description
Hy4 preview is a mixture-of-experts model from Tencent with 49B active parameters and a 1M-token context window, designed for coding, tool use, and multi-step reasoning tasks.
OpenAI's frontier model for complex professional workloads. 1M token context, text + image input, native computer use.
I/O price /1M
$0.834/$2.50
$5.00/$30.00
Input /1M
$0.834
$5.00
Output /1M
$2.50
$30.00
Cached in /1M
$0.042
$0.5
Context
1.05M
1M
Δ input since launch
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Δ output since launch
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Released
Aug 2026
Apr 2026
Status
—
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Provider
T
Tencent
OpenAI