Model comparison

Grok 4.20 Multi-Agent vs Nemotron 3 Super

Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 39.6 on the Noometry Index. Nemotron 3 Super costs 9.1× less per token, which makes it the better buy when Grok 4.20 Multi-Agent's lead doesn't matter for your workload.

Last verified October 10, 2026. 16 shared benchmarks.

Grok 4.20 Multi-Agent xAI

45.5

Rank #62 Confirmed

Nemotron 3 Super

NVIDIA

39.6

Rank #147 Confirmed

Summary

They share 16 benchmarks with published results for both. Grok 4.20 Multi-Agent scores higher in 7 categories and Nemotron 3 Super in 1 category; 7 gaps are clear of the uncertainty.
The widest gap is in reasoning, where Grok 4.20 Multi-Agent leads 42.4 to 17.9.
The biggest single-benchmark swing is NYT Connections (extended): 89.6% for Grok 4.20 Multi-Agent and 15.4% for Nemotron 3 Super.
Nemotron 3 Super is cheaper at $0.08 / $0.45 per million input/output tokens, against $1.25 / $2.50 for Grok 4.20 Multi-Agent.
Grok 4.20 Multi-Agent accepts more context: 1M tokens versus 262K.
Nemotron 3 Super has downloadable open weights; the other is API-only.

Side by side

Grok 4.20 Multi-Agent and Nemotron 3 Super specifications
	Grok 4.20 Multi-Agent	Nemotron 3 Super
Provider	xAI	NVIDIA
Noometry Index	45.5	39.6
Released	2026-03-09	2026-03-11
Weights	Proprietary	Open
Context window	1M	262K
Max output	30K	131K
Input $ / M tokens	$1.25	$0.08
Output $ / M tokens	$2.50	$0.45
Results tracked	20	21

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Category by category

Coding Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 42.4 (#91), Nemotron 3 Super: 38.9 (#153)

Coding benchmarks
Benchmark	Grok 4.20 Multi-Agent	Nemotron 3 Super
LMArena Coding	1458	1403
SciCode	—	36%
WeirdML	—	38%
ALE-Bench	—	213.9

Agentic & Tool Use Not comparable

Grok 4.20 Multi-Agent: —, Nemotron 3 Super: —

Agentic & Tool Use benchmarks
Benchmark	Grok 4.20 Multi-Agent	Nemotron 3 Super
LMArena Search	1204	—

Reasoning Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 42.4 (#44), Nemotron 3 Super: 17.9 (#274)

Reasoning benchmarks
Benchmark	Grok 4.20 Multi-Agent	Nemotron 3 Super
NYT Connections (extended)	89.6%	15.4%
LMArena Hard Prompts	1448	1386
CritPt	—	3.1%

Math Too close to call

Grok 4.20 Multi-Agent: 36.6 (#106), Nemotron 3 Super: 37.6 (#95)

Math benchmarks
Benchmark	Grok 4.20 Multi-Agent	Nemotron 3 Super
LMArena Math	1441	1381
MathArena Final-Answer Competitions	—	60.4%

Knowledge Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 39.7 (#116), Nemotron 3 Super: 38.2 (#136)

Knowledge benchmarks
Benchmark	Grok 4.20 Multi-Agent	Nemotron 3 Super
LMArena Expert	1445	1397

Multimodal Not comparable

Grok 4.20 Multi-Agent: 39.8 (#44), Nemotron 3 Super: —

Multimodal benchmarks
Benchmark	Grok 4.20 Multi-Agent	Nemotron 3 Super
LMArena Vision	1259	—

Multilingual Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 54.6 (#40), Nemotron 3 Super: 48.6 (#139)

Multilingual benchmarks
Benchmark	Grok 4.20 Multi-Agent	Nemotron 3 Super
LMArena Non-English	1440	1356
LMArena Chinese	1475	1430
LMArena French	1467	1404
LMArena German	1456	1341
LMArena Russian	1457	1336
LMArena Spanish	1447	1417
LMArena Japanese	1405	—
LMArena Korean	1416	—

Instruction Following Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 75.0 (#80), Nemotron 3 Super: 71.4 (#149)

Instruction Following benchmarks
Benchmark	Grok 4.20 Multi-Agent	Nemotron 3 Super
LMArena Instruction Following	1420	1347

Long Context Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 43.7 (#84), Nemotron 3 Super: 41.5 (#134)

Long Context benchmarks
Benchmark	Grok 4.20 Multi-Agent	Nemotron 3 Super
LMArena Longer Query	1430	1362

Writing & Preference Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 64.1 (#57), Nemotron 3 Super: 56.1 (#135)

Writing & Preference benchmarks
Benchmark	Grok 4.20 Multi-Agent	Nemotron 3 Super
LMArena Text	1450	1378
LMArena Creative Writing	1435	1317
LMArena Multi-Turn	1451	1369

Frequently asked questions

Is Grok 4.20 Multi-Agent better than Nemotron 3 Super?

Which is cheaper, Grok 4.20 Multi-Agent or Nemotron 3 Super?

Nemotron 3 Super is cheaper. It lists at $0.08 per million input tokens and $0.45 per million output tokens; Grok 4.20 Multi-Agent lists at $1.25 and $2.50.

Is Grok 4.20 Multi-Agent or Nemotron 3 Super better for coding?

Grok 4.20 Multi-Agent scores higher on coding benchmarks: 42.4 versus 38.9 in the Noometry coding category.

Which has the bigger context window?

Grok 4.20 Multi-Agent does, with 1M tokens against 262K.

How many benchmarks do Grok 4.20 Multi-Agent and Nemotron 3 Super share?

16 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and Nemotron 3 Super has 21.