Claude Opus 5 (Adaptive Reasoning, Medium Effort) vs GLM-5.3 (max)

Anthropic · Z AI · catalog 2026-09-14

Trade-off: GLM-5.3 (max) is cheaper ($0.902 vs $3.85/M); Claude Opus 5 (Adaptive Reasoning, Medium Effort) scores higher on intelligence (45.1 vs 44.9).

	Claude Opus 5 (Adaptive Reasoning, Medium Effort)	GLM-5.3 (max)
Speed (tok/s)	48.3 measured	66.1 measured
Blended $/M	$3.85 derived	$0.902 derived
Intelligence index	45.1 measured	44.9 measured
TTFT (ms)	46 measured	315 measured
Context	—	1311k list
Coding index	74 measured	75 measured
Agentic index	47 measured	53 measured

Claude Opus 5 (Adaptive Reasoning, Medium Effort) card · GLM-5.3 (max) 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.