Noometry

Model comparison

Grok 4.1 Fast vs Llama 3.3 Nemotron 49b Super v1

Grok 4.1 Fast is the stronger model overall, scoring 41.4 to 40.1 on the Noometry Index.

Last verified . 10 shared benchmarks.

Grok 4.1 Fast xAI

41.4

Rank #136 Confirmed

Llama 3.3 Nemotron 49b Super v1 NVIDIA

40.1

Rank #154 Confirmed

Summary

  • They share 10 benchmarks with published results for both. Grok 4.1 Fast scores higher in 5 categories and Llama 3.3 Nemotron 49b Super v1 in 1 category; 6 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Grok 4.1 Fast leads 43.4 to 26.2.
  • Llama 3.3 Nemotron 49b Super v1 has downloadable open weights; the other is API-only.

Side by side

Grok 4.1 FastLlama 3.3 Nemotron 49b Super v1
ProviderxAINVIDIA
Noometry Index41.440.1
Released2025-06-27—
WeightsProprietaryOpen
Context window128K—
Max output30K—
Input $ / M tokens$0.20—
Output $ / M tokens$0.50—
Results tracked3210

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Category by category

Coding Llama 3.3 Nemotron 49b Super v1 leads

Grok 4.1 Fast: 34.1 (#245), Llama 3.3 Nemotron 49b Super v1: 37.9 (#186)

BenchmarkGrok 4.1 FastLlama 3.3 Nemotron 49b Super v1
LMArena Coding14111296
LMArena WebDev1242—
ALE-Bench394.93—

Agentic & Tool Use Not comparable

Grok 4.1 Fast: 36.3 (#39), Llama 3.3 Nemotron 49b Super v1: —

BenchmarkGrok 4.1 FastLlama 3.3 Nemotron 49b Super v1
Berkeley Function Calling Leaderboard69.6%—
τ²-bench Banking13.1%—
LMArena Search1171—
Vending-Bench 21,107—

Reasoning Grok 4.1 Fast leads

Grok 4.1 Fast: 43.4 (#49), Llama 3.3 Nemotron 49b Super v1: 26.2 (#135)

BenchmarkGrok 4.1 FastLlama 3.3 Nemotron 49b Super v1
LMArena Hard Prompts14071311
SimpleBench56%—
NYT Connections (extended)87.4%—
DTBench87.7%—
ForecastBench61—

Math Not comparable

Grok 4.1 Fast: 31.9 (#221), Llama 3.3 Nemotron 49b Super v1: —

BenchmarkGrok 4.1 FastLlama 3.3 Nemotron 49b Super v1
MathArena Final-Answer Competitions60.9%—
ProofBench4%—
LMArena Math1408—

Knowledge Not comparable

Grok 4.1 Fast: 33.1 (#207), Llama 3.3 Nemotron 49b Super v1: —

BenchmarkGrok 4.1 FastLlama 3.3 Nemotron 49b Super v1
Vectara Hallucination Rate17.8%—
LMArena Expert1399—

Multimodal Not comparable

Grok 4.1 Fast: 37.0 (#76), Llama 3.3 Nemotron 49b Super v1: —

BenchmarkGrok 4.1 FastLlama 3.3 Nemotron 49b Super v1
LMArena Vision1201—

Multilingual Grok 4.1 Fast leads

Grok 4.1 Fast: 51.0 (#114), Llama 3.3 Nemotron 49b Super v1: 41.1 (#211)

BenchmarkGrok 4.1 FastLlama 3.3 Nemotron 49b Super v1
LMArena Non-English13911253
LMArena Chinese14411277
LMArena Russian13871269
LMArena French1415—
LMArena German1404—
LMArena Japanese1349—
LMArena Korean1361—
LMArena Spanish1413—

Instruction Following Grok 4.1 Fast leads

Grok 4.1 Fast: 72.7 (#133), Llama 3.3 Nemotron 49b Super v1: 68.3 (#189)

BenchmarkGrok 4.1 FastLlama 3.3 Nemotron 49b Super v1
LMArena Instruction Following13761293

Long Context Grok 4.1 Fast leads

Grok 4.1 Fast: 42.4 (#126), Llama 3.3 Nemotron 49b Super v1: 39.5 (#176)

BenchmarkGrok 4.1 FastLlama 3.3 Nemotron 49b Super v1
LMArena Longer Query13901299

Writing & Preference Grok 4.1 Fast leads

Grok 4.1 Fast: 57.2 (#131), Llama 3.3 Nemotron 49b Super v1: 50.8 (#179)

BenchmarkGrok 4.1 FastLlama 3.3 Nemotron 49b Super v1
LMArena Text14081308
LMArena Creative Writing13941288
LMArena Multi-Turn13891315
EQ-Bench Creative Writing1327—

Frequently asked questions

Is Grok 4.1 Fast better than Llama 3.3 Nemotron 49b Super v1?

Grok 4.1 Fast is the stronger model overall, scoring 41.4 to 40.1 on the Noometry Index.

Is Grok 4.1 Fast or Llama 3.3 Nemotron 49b Super v1 better for coding?

Llama 3.3 Nemotron 49b Super v1 scores higher on coding benchmarks: 37.9 versus 34.1 in the Noometry coding category.

How many benchmarks do Grok 4.1 Fast and Llama 3.3 Nemotron 49b Super v1 share?

10 benchmarks have published results for both models. Grok 4.1 Fast has 32 scored results on Noometry and Llama 3.3 Nemotron 49b Super v1 has 10.

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