modelgrep

Tencent: Hy3 vs xAI: Grok 4.5

xAI: Grok 4.5 wins on more metrics (4 of 7), but the right pick depends on what you optimize for — see the breakdown below.

MetricTencent: Hy3xAI: Grok 4.5
Intelligence Index41.253.8
Coding Index58.872.4
GPQA Diamond90%93%
Design Arena Elo1198
Speed (tokens/sec)
Latency
Input price /M$0.140$2.00
Output price /M$0.580$6.00
Context window262K500K
CapabilitiesReasoningToolsJSONReasoningToolsJSONVision