Grok 4.20 0309 v2 (Reasoning) vs Inkling (xhigh)

SpaceXAI · Thinking Machines · catalog 2026-09-14

Grok 4.20 0309 v2 (Reasoning) beats Inkling (xhigh): cheaper ($0.64 vs $0.724/M) and at least as smart (index 25.7 vs 25.5).
Grok 4.20 0309 v2 (Reasoning)Inkling (xhigh)
Speed (tok/s)100.5 measured76.2 measured
Blended $/M$0.64 derived$0.724 derived
Intelligence index25.7 measured25.5 measured
TTFT (ms)1598 measured278 measured
Context2000k list1049k list
Coding indexnot measured for both
Agentic indexnot measured for both

Grok 4.20 0309 v2 (Reasoning) card · Inkling (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.