modelgrep

MoonshotAI: Kimi K2.6 vs OpenAI: GPT-5.6 Luna

MoonshotAI: Kimi K2.6 wins on more metrics (5 of 8), but the right pick depends on what you optimize for — see the breakdown below.

MetricMoonshotAI: Kimi K2.6OpenAI: GPT-5.6 Luna
Intelligence Index44.251.2
Coding Index61.871.4
GPQA Diamond91%91%
Design Arena Elo1351
Speed (tokens/sec)13360
Latency412ms1.7s
Input price /M$0.650$1.00
Output price /M$3.41$6.00
Context window262K1.1M
CapabilitiesReasoningToolsJSONVisionReasoningToolsJSONVision