Hy4 preview
Hy4 preview is developed by Tencent, released 2026-08-28.
Model ID: hy4-preview
Input price
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Output price
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Blended price
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Epoch Capabilities Index (ECI)
No public data yet
Epoch Mock AIME accuracy
No public data yet
Epoch FrontierMath (T1–3) accuracy
No public data yet
Arena text rating
No public data yet
Arena coding rating (human preference votes, not task accuracy)
No public data yet
Arena math rating
No public data yet
Arena WebDev rating
1631.3
LMArena · as of 2026-11-06
No API price is published for this model in our data sources (models.dev,
LiteLLM), so we show — rather than guess. It may be unreleased via API, open-weights
only, or simply not tracked yet.
See all of Tencent's models on its provider page, or browse the full model directory. Full source licenses and sync dates: /data-sources/.