GPT-5 (minimal) vs Mercury 2

OpenAI · Inception · catalog 2026-09-14

Mercury 2 beats GPT-5 (minimal): cheaper ($0.146 vs $1.341/M) and at least as smart (index 11.5 vs 11.4).
GPT-5 (minimal)Mercury 2
Speed (tok/s)76.8 measured807.4 measured
Blended $/M$1.341 derived$0.146 derived
Intelligence index11.4 measured11.5 measured
TTFT (ms)128 measured358 measured
Context—128k list
Coding indexnot measured for both
Agentic indexnot measured for both

GPT-5 (minimal) card · Mercury 2 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.