Grok 4.3 (Non-reasoning) vs NVIDIA Nemotron 3 Nano 30B A3B (Reasoning)

Which is better for the money: Grok 4.3 (Non-reasoning) by SpaceXAI or NVIDIA Nemotron 3 Nano 30B A3B (Reasoning) by NVIDIA? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.

Trade-off

SpaceXAIGrok 4.3 (Non-reasoning)Off the frontier

Intelligence: 14.00
Total cost: $216

NVIDIANVIDIA Nemotron 3 Nano 30B A3B (Reasoning)Off the frontier

Intelligence: 8.90
Total cost: $63.7

Verdict

Depends on your budget

Grok 4.3 (Non-reasoning) scores 5.1 points higher (14.0 vs 8.9) but costs 3.4× as much to run the benchmark ($216 vs $63.7; both mid-range class). They are not alternatives at one budget: pick Grok 4.3 (Non-reasoning) when you need intelligence above 8.9, and NVIDIA Nemotron 3 Nano 30B A3B (Reasoni… when 8.9 is enough.

Metric	Grok 4.3 (Non-reasoning)	NVIDIA Nemotron 3 Nano 30B A3B (Reasoning)	Difference
Intelligence (higher is better)	14.0	8.9	−36.4% NVIDIA Nemotron 3 Nan… is 36.4% less intelligent
Total AA cost (lower is better)	$215.93	$63.74	−70.5% NVIDIA Nemotron 3 Nan… is 70.5% cheaper
End-to-end time (lower is better)	5.71s	10.12s	+77.2% NVIDIA Nemotron 3 Nan… is 77.2% slower
Price per 1M tokens (in / out)	$1.25 / $2.50	$0.05 / $0.20
Input modalities	Text, Image	Text

NVIDIA Nemotron 3 Nano 30B A3B (Reasoning) vs Grok 4.3 (Non-reasoning): 36.4% less intelligence, 70.5% less cost to run the AA benchmark, and 77.2% slower end-to-end.

Open this matchup in the interactive picker Grok 4.3 (Non-reasoning): what beats it NVIDIA Nemotron 3 Nano 30B A3B (Reasoning): what beats it

Today's Pareto frontier

Against the frontier

Grok 4.3 (Non-reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
NVIDIA Nemotron 3 Nano 30B A3B (Reasoning) is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Medium) scores 34.50 for $56.4.

Grok 4.3 (Non-reasoning)NVIDIA Nemotron 3 Nano 30B A3B (Reasoning)Today's Pareto frontierOpen-weights frontierEvery other model

Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/grok-4-3-non-reasoning/nvidia-nemotron-3-nano-30b-a3b-reasoning · Markdown: /api/v1/compare/grok-4-3-non-reasoning/nvidia-nemotron-3-nano-30b-a3b-reasoning?format=md · llms.txt · agent skill