modelgrep

MoonshotAI: Kimi K2.6 vs xAI: Grok 4.5

MoonshotAI: Kimi K2.6 wins on more metrics (5 of 9), but the right pick depends on what you optimize for — see the breakdown below.

MetricMoonshotAI: Kimi K2.6xAI: Grok 4.5
Intelligence Index44.253.8
Coding Index61.872.4
GPQA Diamond91%93%
Design Arena Elo1351
Speed (tokens/sec)20274
Latency282ms655ms
Input price /M$0.650$2.00
Output price /M$3.41$6.00
Context window262K500K
CapabilitiesReasoningToolsJSONVisionReasoningToolsJSONVision