Claude Sonnet 4.6 (Non-reasoning, Low Effort) vs Nemotron 3 Ultra 550B A55B (Reasoning)

Anthropic · NVIDIA · catalog 2026-09-14

Nemotron 3 Ultra 550B A55B (Reasoning) beats Claude Sonnet 4.6 (Non-reasoning, Low Effort): cheaper ($0.52 vs $2.31/M) and at least as smart (index 23.4 vs 23.3).
Claude Sonnet 4.6 (Non-reasoning, Low Effort)Nemotron 3 Ultra 550B A55B (Reasoning)
Speed (tok/s)42.2 measured160.4 measured
Blended $/M$2.31 derived$0.52 derived
Intelligence index23.3 measured23.4 measured
TTFT (ms)229 measured23 measured
Context——
Coding indexnot measured for both
Agentic indexnot measured for both

Claude Sonnet 4.6 (Non-reasoning, Low Effort) card · Nemotron 3 Ultra 550B A55B (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.