GPT-5.4 (Non-reasoning) vs Muse Glimmer (high)

OpenAI · Meta · catalog 2026-09-14

Trade-off: Muse Glimmer (high) is cheaper ($0.248 vs $2.175/M); GPT-5.4 (Non-reasoning) scores higher on intelligence (18.2 vs 18.1).
GPT-5.4 (Non-reasoning)Muse Glimmer (high)
Speed (tok/s)92.1 measured92.5 measured
Blended $/M$2.175 derived$0.248 derived
Intelligence index18.2 measured18.1 measured
TTFT (ms)96 measured1 measured
Context——
Coding indexnot measured for both
Agentic indexnot measured for both

GPT-5.4 (Non-reasoning) card · Muse Glimmer (high) 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.