GPT-4.1 vs Kimi K2

OpenAI · Kimi · catalog 2026-09-14

Kimi K2 beats GPT-4.1: cheaper ($0.743 vs $1.55/M) and at least as smart (index 12.7 vs 12.7).

	GPT-4.1	Kimi K2
Speed (tok/s)	151.1 measured	39.2 measured
Blended $/M	$1.55 derived	$0.743 derived
Intelligence index	12.7 measured	12.7 measured
TTFT (ms)	98 measured	168 measured
Context	1048k list	131k list
Coding index	not measured for both
Agentic index	not measured for both

GPT-4.1 card · Kimi K2 card · 3D observatory

Verdicts use price×intelligence dominance only, and only where both sides are measured; null cells stay null with their provenance (em-dash = not in catalog). Percentile-free by design — this page compares two models, not the field. Generated page — do not hand-edit.