Model comparison

Amazon Nova Experimental Chat 12 10 vs Grok 3

Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.9 to 39.9 on the Noometry Index.

Last verified . 12 shared benchmarks.

Grok 3 xAI

39.9

Rank #157 Confirmed

Summary

  • They share 12 benchmarks with published results for both. Amazon Nova Experimental Chat 12 10 scores higher in 5 categories and Grok 3 in 3 categories; 5 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Amazon Nova Experimental Chat 12 10 leads 29.3 to 13.7.

Side by side

Amazon Nova Experimental Chat 12 10 and Grok 3 specifications
Amazon Nova Experimental Chat 12 10Grok 3
ProviderAmazonxAI
Noometry Index42.939.9
Released—2025-04-09
WeightsProprietaryProprietary
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked1240

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Category by category

Coding Too close to call

Amazon Nova Experimental Chat 12 10: 42.2 (#110), Grok 3: 41.9 (#115)

Coding benchmarks
BenchmarkAmazon Nova Experimental Chat 12 10Grok 3
LMArena Coding14301432
Aider Polyglot—53.3%
WeirdML—37.2%

Agentic & Tool Use Not comparable

Amazon Nova Experimental Chat 12 10: —, Grok 3: 30.5 (#76)

Agentic & Tool Use benchmarks
BenchmarkAmazon Nova Experimental Chat 12 10Grok 3
BALROG—29.5%

Reasoning Amazon Nova Experimental Chat 12 10 leads

Amazon Nova Experimental Chat 12 10: 29.3 (#94), Grok 3: 13.7 (#333)

Reasoning benchmarks
BenchmarkAmazon Nova Experimental Chat 12 10Grok 3
LMArena Hard Prompts14271434
ARC-AGI-2—0%
SimpleBench—36.1%
Kagi LLM Benchmark—61.3%
ARC-AGI-1—5.5%
Epoch Capabilities Index—138.33

Math Too close to call

Amazon Nova Experimental Chat 12 10: 38.9 (#124), Grok 3: 38.0 (#145)

Math benchmarks
BenchmarkAmazon Nova Experimental Chat 12 10Grok 3
LMArena Math14191391
OTIS Mock AIME 2024-2025—55.6%
Omni-MATH—46.4%
MATH Level 5—88.7%
FrontierMath (Feb 2025 set)—3.8%
FrontierMath Tier 4 (v1)—0%

Knowledge Grok 3 leads

Amazon Nova Experimental Chat 12 10: 39.2 (#136), Grok 3: 46.2 (#82)

Knowledge benchmarks
BenchmarkAmazon Nova Experimental Chat 12 10Grok 3
LMArena Expert14081421
GPQA Diamond—75.8%
MMLU-Pro—78.8%
Confabulations—14.2%
Vectara Hallucination Rate—5.8%
GPQA (HELM)—65%

Multilingual Too close to call

Amazon Nova Experimental Chat 12 10: 51.4 (#108), Grok 3: 52.3 (#87)

Multilingual benchmarks
BenchmarkAmazon Nova Experimental Chat 12 10Grok 3
LMArena Non-English13981410
LMArena Chinese14401448
LMArena Russian13951416
LMArena French—1460
LMArena German—1431
LMArena Japanese—1387
LMArena Korean—1373
LMArena Spanish—1417

Instruction Following Grok 3 leads

Amazon Nova Experimental Chat 12 10: 73.2 (#123), Grok 3: 75.0 (#73)

Instruction Following benchmarks
BenchmarkAmazon Nova Experimental Chat 12 10Grok 3
LMArena Instruction Following13871409
IFEval—88.4%

Long Context Amazon Nova Experimental Chat 12 10 leads

Amazon Nova Experimental Chat 12 10: 42.4 (#125), Grok 3: 38.7 (#192)

Long Context benchmarks
BenchmarkAmazon Nova Experimental Chat 12 10Grok 3
LMArena Longer Query13911439
Fiction.LiveBench—58.3%

Writing & Preference Amazon Nova Experimental Chat 12 10 leads

Amazon Nova Experimental Chat 12 10: 59.5 (#110), Grok 3: 55.8 (#141)

Writing & Preference benchmarks
BenchmarkAmazon Nova Experimental Chat 12 10Grok 3
LMArena Text14201426
LMArena Creative Writing13501414
LMArena Multi-Turn14091425
Short-Story Creative Writing—76.4%
EQ-Bench Creative Writing—1186
WildBench—84.9%

Frequently asked questions

Is Amazon Nova Experimental Chat 12 10 better than Grok 3?

Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.9 to 39.9 on the Noometry Index.

Is Amazon Nova Experimental Chat 12 10 or Grok 3 better for coding?

They score almost the same on coding (42.2 vs 41.9); test both on your own repository before choosing.

How many benchmarks do Amazon Nova Experimental Chat 12 10 and Grok 3 share?

12 benchmarks have published results for both models. Amazon Nova Experimental Chat 12 10 has 12 scored results on Noometry and Grok 3 has 40.

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