Claude Opus 5 (Adaptive Reasoning, Low Effort) vs Muse Spark 1.2 (xhigh)

Anthropic · Meta · catalog 2026-09-14

Muse Spark 1.2 (xhigh) beats Claude Opus 5 (Adaptive Reasoning, Low Effort): cheaper ($0.78 vs $3.85/M) and at least as smart (index 39.8 vs 39.8).
Claude Opus 5 (Adaptive Reasoning, Low Effort)Muse Spark 1.2 (xhigh)
Speed (tok/s)47.6 measured174.2 measured
Blended $/M$3.85 derived$0.78 derived
Intelligence index39.8 measured39.8 measured
TTFT (ms)272 measured1383 measured
Context—1049k list
Coding index67 measured72 measured
Agentic index38 measured44 measured

Claude Opus 5 (Adaptive Reasoning, Low Effort) card · Muse Spark 1.2 (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.