Grok 4.20 0309 v2 (Non-reasoning) vs Grok 4.3 (Non-reasoning)

SpaceXAI · SpaceXAI · catalog 2026-09-14

Grok 4.3 (Non-reasoning) beats Grok 4.20 0309 v2 (Non-reasoning): cheaper ($0.64 vs $0.64/M) and at least as smart (index 14.5 vs 14.2).
Grok 4.20 0309 v2 (Non-reasoning)Grok 4.3 (Non-reasoning)
Speed (tok/s)94.3 measured113.3 measured
Blended $/M$0.64 derived$0.64 derived
Intelligence index14.2 measured14.5 measured
TTFT (ms)62 measured75 measured
Context——
Coding indexnot measured for both
Agentic indexnot measured for both

Grok 4.20 0309 v2 (Non-reasoning) card · Grok 4.3 (Non-reasoning) 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.