Noometry

Model comparison

Amazon Nova Micro vs Grok 4

Grok 4 is the stronger model overall, scoring 48.1 to 30.4 on the Noometry Index.

Last verified . 23 shared benchmarks.

Amazon Nova Micro Amazon

30.4

Rank #294 Confirmed

Grok 4 xAI

48.1

Rank #56 Confirmed

Summary

  • They share 23 benchmarks with published results for both. Amazon Nova Micro scores higher in 0 categories and Grok 4 in 9 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in long context, where Grok 4 leads 63.1 to 36.5.
  • The biggest single-benchmark swing is Berkeley Function Calling Leaderboard: 22.3% for Amazon Nova Micro and 63% for Grok 4.

Side by side

Amazon Nova MicroGrok 4
ProviderAmazonxAI
Noometry Index30.448.1
Released2024-12-032025-07-09
WeightsProprietaryProprietary
Context window128K—
Max output10K—
Input $ / M tokens$0.035—
Output $ / M tokens$0.14—
Results tracked3248

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Category by category

Coding Grok 4 leads

Amazon Nova Micro: 30.5 (#295), Grok 4: 50.3 (#46)

BenchmarkAmazon Nova MicroGrok 4
LMArena Coding12181408
Aider Polyglot—79.6%
WeirdML—45.7%
LiveBench Coding20.2%—

Agentic & Tool Use Grok 4 leads

Amazon Nova Micro: 22.1 (#132), Grok 4: 32.3 (#68)

BenchmarkAmazon Nova MicroGrok 4
Berkeley Function Calling Leaderboard22.3%63%
Terminal-Bench—27.2%
GDPval—21.1%
Cybench—43%
DeepResearch Bench—47.3%
BALROG—43.6%
LMArena Search—1142
METR Time Horizons—66.6%

Reasoning Grok 4 leads

Amazon Nova Micro: 17.4 (#294), Grok 4: 36.7 (#65)

BenchmarkAmazon Nova MicroGrok 4
LMArena Hard Prompts11911409
ARC-AGI-2—16%
SimpleBench—60.5%
Kagi LLM Benchmark—73.6%
ARC-AGI-1—66.7%
Chess Puzzles—28%
LiveBench Reasoning25.1%—
LiveBench Data Analysis34%—
Epoch Capabilities Index—146.44
ForecastBench—60.9
LiveBench29.6%—

Math Grok 4 leads

Amazon Nova Micro: 26.9 (#254), Grok 4: 48.4 (#64)

BenchmarkAmazon Nova MicroGrok 4
Omni-MATH21.4%60.3%
LMArena Math12061422
OTIS Mock AIME 2024-2025—84%
LiveBench Math34.5%—
FrontierMath (Feb 2025 set)—19.7%
FrontierMath Tier 4 (v1)—2.1%

Knowledge Grok 4 leads

Amazon Nova Micro: 29.6 (#237), Grok 4: 53.8 (#55)

BenchmarkAmazon Nova MicroGrok 4
MMLU-Pro51.1%85.1%
GPQA (HELM)38.3%72.7%
LMArena Expert11841415
GPQA Diamond—87%
Confabulations—12.4%
Vectara Hallucination Rate5.5%—
MMLU70.8%—

Multimodal Not comparable

Amazon Nova Micro: —, Grok 4: 33.7 (#94)

BenchmarkAmazon Nova MicroGrok 4
LMArena Vision—1210
GeoBench—45%

Multilingual Grok 4 leads

Amazon Nova Micro: 36.5 (#239), Grok 4: 51.8 (#103)

BenchmarkAmazon Nova MicroGrok 4
LMArena Non-English11861403
LMArena Chinese12091427
LMArena French12381418
LMArena German11921429
LMArena Japanese11541394
LMArena Korean11501377
LMArena Russian11851410
LMArena Spanish12251420

Instruction Following Grok 4 leads

Amazon Nova Micro: 56.3 (#272), Grok 4: 79.2 (#5)

BenchmarkAmazon Nova MicroGrok 4
IFEval76%94.9%
LMArena Instruction Following11741387
LiveBench Instruction Following48%—

Long Context Grok 4 leads

Amazon Nova Micro: 36.5 (#229), Grok 4: 63.1 (#4)

BenchmarkAmazon Nova MicroGrok 4
LMArena Longer Query12051409
Fiction.LiveBench—94.4%

Writing & Preference Grok 4 leads

Amazon Nova Micro: 39.5 (#247), Grok 4: 58.5 (#116)

BenchmarkAmazon Nova MicroGrok 4
LMArena Text12081411
LMArena Creative Writing11721397
WildBench74.3%79.7%
LMArena Multi-Turn11781416
Short-Story Creative Writing—76.9%
LiveBench Language15.8%—

Frequently asked questions

Is Amazon Nova Micro better than Grok 4?

Grok 4 is the stronger model overall, scoring 48.1 to 30.4 on the Noometry Index.

Is Amazon Nova Micro or Grok 4 better for coding?

Grok 4 scores higher on coding benchmarks: 50.3 versus 30.5 in the Noometry coding category.

How many benchmarks do Amazon Nova Micro and Grok 4 share?

23 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and Grok 4 has 48.

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