Model comparison

Grok 4.6 vs Nemotron 3 Nano 30B A3B

Grok 4.6 is the stronger model overall, scoring 56.9 to 40.6 on the Noometry Index. Nemotron 3 Nano 30B A3B costs 34× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

Last verified . 17 shared benchmarks.

Grok 4.6 xAI

56.9

Rank #21 Confirmed

Nemotron 3 Nano 30B A3B NVIDIA

40.6

Rank #147 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Grok 4.6 scores higher in 8 categories and Nemotron 3 Nano 30B A3B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Grok 4.6 leads 61.4 to 27.1.
  • Nemotron 3 Nano 30B A3B is cheaper at $0.05 / $0.20 per million input/output tokens, against $2 / $6 for Grok 4.6.
  • Grok 4.6 accepts more context: 500K tokens versus 262K.
  • Nemotron 3 Nano 30B A3B has downloadable open weights; the other is API-only.

Side by side

Grok 4.6 and Nemotron 3 Nano 30B A3B specifications
Grok 4.6Nemotron 3 Nano 30B A3B
ProviderxAINVIDIA
Noometry Index56.940.6
Released2026-08-122025-12-15
WeightsProprietaryOpen
Context window500K262K
Max output500K262K
Input $ / M tokens$2$0.05
Output $ / M tokens$6$0.20
Results tracked4918

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Category by category

Coding Grok 4.6 leads

Grok 4.6: 58.5 (#16), Nemotron 3 Nano 30B A3B: 40.5 (#138)

Coding benchmarks
BenchmarkGrok 4.6Nemotron 3 Nano 30B A3B
LMArena Coding14651378
DeepSWE67.5%—
FrontierCode48%—
CursorBench41.4%—
LMArena WebDev1617—
FrontierSWE25.3%—
SciCode56.5%—
WeirdML67.3%—
ALE-Bench1,508—

Agentic & Tool Use Not comparable

Grok 4.6: 39.4 (#27), Nemotron 3 Nano 30B A3B: —

Agentic & Tool Use benchmarks
BenchmarkGrok 4.6Nemotron 3 Nano 30B A3B
APEX-Agents65.3%—
GDP.pdf17.2%—
Vending-Bench 29,047—

Reasoning Grok 4.6 leads

Grok 4.6: 61.4 (#20), Nemotron 3 Nano 30B A3B: 27.1 (#124)

Reasoning benchmarks
BenchmarkGrok 4.6Nemotron 3 Nano 30B A3B
LMArena Hard Prompts14471348
ARC-AGI-267.1%—
SimpleBench75.9%—
NYT Connections (extended)80%—
ARC-AGI-187.5%—
CritPt19.7%—
Chess Puzzles40%—
EBR-Bench30.5%—
Mystery Game Puzzles34%—
DTBench97.3%—
LMCA48.5%—
Epoch Capabilities Index156.44—

Math Grok 4.6 leads

Grok 4.6: 67.0 (#24), Nemotron 3 Nano 30B A3B: 37.8 (#147)

Math benchmarks
BenchmarkGrok 4.6Nemotron 3 Nano 30B A3B
LMArena Math14231371
FrontierMath (Tiers 1-3)66%—
FrontierMath Tier 431.7%—
OTIS Mock AIME 2024-202599.2%—
ProofBench51%—

Knowledge Grok 4.6 leads

Grok 4.6: 63.3 (#20), Nemotron 3 Nano 30B A3B: 38.2 (#148)

Knowledge benchmarks
BenchmarkGrok 4.6Nemotron 3 Nano 30B A3B
LMArena Expert14671355
GPQA Diamond94%—
SimpleQA Verified49.3%—
Vectara Hallucination Rate—9.6%

Multimodal Not comparable

Grok 4.6: 43.6 (#23), Nemotron 3 Nano 30B A3B: —

Multimodal benchmarks
BenchmarkGrok 4.6Nemotron 3 Nano 30B A3B
LMArena Vision1263—
Blueprint-Bench 233.2%—
Furniture Assembly40%—
LMArena Document1452—

Multilingual Grok 4.6 leads

Grok 4.6: 53.0 (#74), Nemotron 3 Nano 30B A3B: 45.8 (#162)

Multilingual benchmarks
BenchmarkGrok 4.6Nemotron 3 Nano 30B A3B
LMArena Non-English14201320
LMArena Chinese14801382
LMArena French14611396
LMArena German14311348
LMArena Japanese13761268
LMArena Korean13971269
LMArena Russian14221303
LMArena Spanish14041376

Instruction Following Grok 4.6 leads

Grok 4.6: 75.4 (#63), Nemotron 3 Nano 30B A3B: 68.8 (#180)

Instruction Following benchmarks
BenchmarkGrok 4.6Nemotron 3 Nano 30B A3B
LMArena Instruction Following14311304

Long Context Grok 4.6 leads

Grok 4.6: 44.5 (#66), Nemotron 3 Nano 30B A3B: 39.5 (#175)

Long Context benchmarks
BenchmarkGrok 4.6Nemotron 3 Nano 30B A3B
LMArena Longer Query14541300

Writing & Preference Grok 4.6 leads

Grok 4.6: 62.3 (#80), Nemotron 3 Nano 30B A3B: 52.3 (#174)

Writing & Preference benchmarks
BenchmarkGrok 4.6Nemotron 3 Nano 30B A3B
LMArena Text14281348
LMArena Creative Writing14281269
LMArena Multi-Turn14251319

Frequently asked questions

Is Grok 4.6 better than Nemotron 3 Nano 30B A3B?

Grok 4.6 is the stronger model overall, scoring 56.9 to 40.6 on the Noometry Index. Nemotron 3 Nano 30B A3B costs 34× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

Which is cheaper, Grok 4.6 or Nemotron 3 Nano 30B A3B?

Nemotron 3 Nano 30B A3B is cheaper. It lists at $0.05 per million input tokens and $0.20 per million output tokens; Grok 4.6 lists at $2 and $6.

Is Grok 4.6 or Nemotron 3 Nano 30B A3B better for coding?

Grok 4.6 scores higher on coding benchmarks: 58.5 versus 40.5 in the Noometry coding category.

Which has the bigger context window?

Grok 4.6 does, with 500K tokens against 262K.

How many benchmarks do Grok 4.6 and Nemotron 3 Nano 30B A3B share?

17 benchmarks have published results for both models. Grok 4.6 has 49 scored results on Noometry and Nemotron 3 Nano 30B A3B has 18.

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