GPT-5 (medium) vs Qwen3.5 27B (Reasoning)

OpenAI · Alibaba · catalog 2026-09-14

Qwen3.5 27B (Reasoning) beats GPT-5 (medium): cheaper ($0.51 vs $1.341/M) and at least as smart (index 22.9 vs 22.9).

	GPT-5 (medium)	Qwen3.5 27B (Reasoning)
Speed (tok/s)	68.9 measured	76.3 measured
Blended $/M	$1.341 derived	$0.51 derived
Intelligence index	22.9 measured	22.9 measured
TTFT (ms)	4323 measured	56 measured
Context	—	262k list
Coding index	not measured for both
Agentic index	not measured for both

GPT-5 (medium) card · Qwen3.5 27B (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.