Grok 4.1vsGPT 5.6 Luna Xhigh

Grok 4.1 is tied with GPT 5.6 Luna Xhigh on the Podium Score (73.0).Category wins: Grok 4.1 0 — 0 GPT 5.6 Luna Xhigh.GPT 5.6 Luna Xhigh is the cheaper pick ($10/M vs $15/M per 1M output tokens). Grok 4.1 is faster (50 t/s vs 50 t/s).

MetricGrok 4.1GPT 5.6 Luna Xhigh
Podium Score73.073.0
Arena Elo
Intelligence Index
Coding
Math
Reasoning
Agentic
Knowledge
Multimodal
Long-context
Output speed50 t/s50 t/s
Output price$15/M$10/M ▲
Context window128K128K
Scores aggregated from five leaderboards on 2026-08-05. See Methodology. More head-to-heads: Grok 4.1 vs Claude Mythos Preview · Grok 4.1 vs Claude Fable 5 · Grok 4.1 vs Kimi K3 · Grok 4.1 vs Claude Opus 5