GPT-5 nano (high) vs Qwen3.5 4B (Reasoning)

OpenAI · Alibaba · catalog 2026-09-14

Qwen3.5 4B (Reasoning) beats GPT-5 nano (high): cheaper ($0.042 vs $0.057/M) and at least as smart (index 13.1 vs 13).

	GPT-5 nano (high)	Qwen3.5 4B (Reasoning)
Speed (tok/s)	150.7 measured	26.3 measured
Blended $/M	$0.057 derived	$0.042 derived
Intelligence index	13 measured	13.1 measured
TTFT (ms)	8542 measured	81 measured
Context	400k list	—
Coding index	not measured for both
Agentic index	not measured for both

GPT-5 nano (high) card · Qwen3.5 4B (Reasoning) 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.