GPT-6 Astra (low) vs Muse Spark 1.3 (xhigh)

OpenAI · Meta · catalog 2026-09-14

Trade-off: Muse Spark 1.3 (xhigh) is cheaper ($0.78 vs $7.7/M); GPT-6 Astra (low) scores higher on intelligence (46 vs 45.2).
GPT-6 Astra (low)Muse Spark 1.3 (xhigh)
Speed (tok/s)52.1 measured206.8 measured
Blended $/M$7.7 derived$0.78 derived
Intelligence index46 measured45.2 measured
TTFT (ms)21 measured1978 measured
Context——
Coding index76 measured77 measured
Agentic index4 measured52 measured

GPT-6 Astra (low) card · Muse Spark 1.3 (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.