GPT-4o (May '24) vs Mistral Small 3.1

OpenAI · Mistral · catalog 2026-09-14

Mistral Small 3.1 beats GPT-4o (May '24): cheaper ($0.12 vs $6/M) and at least as smart (index 7.4 vs 7.3).

	GPT-4o (May '24)	Mistral Small 3.1
Speed (tok/s)	100.4 measured	137.7 measured
Blended $/M	$6 derived	$0.12 derived
Intelligence index	7.3 measured	7.4 measured
TTFT (ms)	104 measured	77 measured
Context	128k list	—
Coding index	24 measured	26 measured
Agentic index	not measured for both

GPT-4o (May '24) card · Mistral Small 3.1 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.