Kimi K3vsGPT 5.6 Sol Xhigh

Kimi K3 leads the overall Podium Score by 9.3 points (83.3 vs 74.0).Category wins: Kimi K3 0 — 0 GPT 5.6 Sol Xhigh.GPT 5.6 Sol Xhigh is the cheaper pick ($10/M vs $15/M per 1M output tokens). GPT 5.6 Sol Xhigh is faster (50 t/s vs 37 t/s).

MetricKimi K3GPT 5.6 Sol Xhigh
Podium Score83.3 ▲74.0
Arena Elo1485
Intelligence Index57.0
Coding61.5
Math70.9
Reasoning86.5
Agentic100.0
Knowledge19.7
Multimodal83.5
Long-context99.2
Output speed37 t/s50 t/s ▲
Output price$15/M$10/M ▲
Context window1000K ▲128K
Scores aggregated from five leaderboards on 2026-08-05. See Methodology. More head-to-heads: Kimi K3 vs Claude Mythos Preview · Kimi K3 vs Claude Fable 5 · Kimi K3 vs Claude Opus 5 · Kimi K3 vs GPT-5.6 Sol