Claude Fable 5vsGrok 4.1

Claude Fable 5 leads the overall Podium Score by 20.4 points (93.4 vs 73.0).Category wins: Claude Fable 5 0 — 0 Grok 4.1.Grok 4.1 is the cheaper pick ($15/M vs $50/M per 1M output tokens). Claude Fable 5 is faster (71 t/s vs 50 t/s).

MetricClaude Fable 5Grok 4.1
Podium Score93.4 ▲73.0
Arena Elo1509
Intelligence Index60.0
Coding84.1
Math
Reasoning81.0
Agentic96.2
Knowledge43.3
Multimodal
Long-context99.2
Output speed71 t/s ▲50 t/s
Output price$50/M$15/M ▲
Context window1000K ▲128K
Scores aggregated from five leaderboards on 2026-08-05. See Methodology. More head-to-heads: Claude Fable 5 vs Claude Mythos Preview · Claude Fable 5 vs Kimi K3 · Claude Fable 5 vs Claude Opus 5 · Claude Fable 5 vs GPT-5.6 Sol