Claude Sonnet 4.6 (Non-reasoning, High Effort) vs GPT-5.4 mini (xhigh)

Anthropic · OpenAI · catalog 2026-09-14

Trade-off: GPT-5.4 mini (xhigh) is cheaper ($0.649 vs $2.31/M); Claude Sonnet 4.6 (Non-reasoning, High Effort) scores higher on intelligence (24.7 vs 24.6).

	Claude Sonnet 4.6 (Non-reasoning, High Effort)	GPT-5.4 mini (xhigh)
Speed (tok/s)	42 measured	186.3 measured
Blended $/M	$2.31 derived	$0.649 derived
Intelligence index	24.7 measured	24.6 measured
TTFT (ms)	175 measured	12704 measured
Context	1000k list	400k list
Coding index	not measured for both
Agentic index	not measured for both

Claude Sonnet 4.6 (Non-reasoning, High Effort) card · GPT-5.4 mini (xhigh) 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.