Noometry

Model comparison

Gemma 2 9B vs Grok 4.5

Grok 4.5 is the stronger model overall, scoring 55.0 to 25.9 on the Noometry Index.

Last verified . 21 shared benchmarks.

Gemma 2 9B Google

25.9

Rank #341 Confirmed

Grok 4.5 xAI

55.0

Rank #25 Confirmed

Summary

  • They share 21 benchmarks with published results for both. Gemma 2 9B scores higher in 0 categories and Grok 4.5 in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Grok 4.5 leads 62.3 to 9.7.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 0.6% for Gemma 2 9B and 97.8% for Grok 4.5.
  • Gemma 2 9B has downloadable open weights; the other is API-only.

Side by side

Gemma 2 9BGrok 4.5
ProviderGooglexAI
Noometry Index25.955.0
Released2024-06-242026-07-08
WeightsOpenProprietary
Context window—500K
Max output—500K
Input $ / M tokens—$2
Output $ / M tokens—$6
Results tracked3552

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Category by category

Coding Grok 4.5 leads

Gemma 2 9B: 29.4 (#304), Grok 4.5: 52.2 (#35)

BenchmarkGemma 2 9BGrok 4.5
LMArena Coding11731474
DeepSWE—53.8%
FrontierCode—42.4%
LMArena WebDev—1553
SciCode—54.1%
WeirdML—46.4%
BigCodeBench Instruct34.7%—
LiveBench Coding22.5%—
BigCodeBench Complete40.6%—
ALE-Bench—1,309

Agentic & Tool Use Not comparable

Gemma 2 9B: —, Grok 4.5: 44.4 (#17)

BenchmarkGemma 2 9BGrok 4.5
APEX-Agents—56.2%
τ²-bench Banking—47.9%
PostTrainBench—23.4%
GBAEval—65.4%
GDP.pdf—14%
LMArena Search—1213
Vending-Bench 2—3,887

Reasoning Grok 4.5 leads

Gemma 2 9B: 15.9 (#309), Grok 4.5: 56.1 (#25)

BenchmarkGemma 2 9BGrok 4.5
LMArena Hard Prompts11711462
Epoch Capabilities Index119.83153.92
ARC-AGI-2—52.6%
SimpleBench—70%
Kagi LLM Benchmark—83.5%
NYT Connections (extended)—79.9%
ARC-AGI-1—87.2%
CritPt—15.4%
Chess Puzzles—36%
LiveBench Reasoning15.2%—
DTBench—96.5%
LiveBench Data Analysis36.4%—
LMCA—45.2%
Surface Evolver Bench—74.4%
LiveBench28.7%—
PIQA83.7%—

Math Grok 4.5 leads

Gemma 2 9B: 9.9 (#318), Grok 4.5: 60.9 (#35)

BenchmarkGemma 2 9BGrok 4.5
OTIS Mock AIME 2024-20250.6%97.8%
LMArena Math11831459
FrontierMath (Tiers 1-3)—57.2%
FrontierMath Tier 4—24.4%
ProofBench—31%
LiveBench Math19.8%—
MATH Level 521%—
GSM8K84.9%—

Knowledge Grok 4.5 leads

Gemma 2 9B: 9.7 (#305), Grok 4.5: 62.3 (#24)

BenchmarkGemma 2 9BGrok 4.5
GPQA Diamond27.5%93.4%
LMArena Expert11471466
SimpleQA Verified—48.3%
BoolQ85.7%—
MMLU72.1%—

Multimodal Not comparable

Gemma 2 9B: —, Grok 4.5: 37.6 (#72)

BenchmarkGemma 2 9BGrok 4.5
LMArena Vision—1288
Blueprint-Bench 2—27.3%
Furniture Assembly—22.5%
LMArena Document—1452

Multilingual Grok 4.5 leads

Gemma 2 9B: 36.6 (#238), Grok 4.5: 54.4 (#42)

BenchmarkGemma 2 9BGrok 4.5
LMArena Non-English11881440
LMArena Chinese11851496
LMArena French11901456
LMArena German11861446
LMArena Japanese11441428
LMArena Korean11371404
LMArena Russian12001448
LMArena Spanish12001450

Instruction Following Grok 4.5 leads

Gemma 2 9B: 57.6 (#269), Grok 4.5: 76.0 (#48)

BenchmarkGemma 2 9BGrok 4.5
LMArena Instruction Following11781446
LiveBench Instruction Following52.6%—

Long Context Grok 4.5 leads

Gemma 2 9B: 36.3 (#233), Grok 4.5: 44.8 (#56)

BenchmarkGemma 2 9BGrok 4.5
LMArena Longer Query11971463

Writing & Preference Grok 4.5 leads

Gemma 2 9B: 32.1 (#281), Grok 4.5: 65.8 (#42)

BenchmarkGemma 2 9BGrok 4.5
LMArena Text12071448
LMArena Creative Writing12061442
EQ-Bench Creative Writing8411579
LMArena Multi-Turn11931456
LiveBench Language25.5%—

Frequently asked questions

Is Gemma 2 9B better than Grok 4.5?

Grok 4.5 is the stronger model overall, scoring 55.0 to 25.9 on the Noometry Index.

Is Gemma 2 9B or Grok 4.5 better for coding?

Grok 4.5 scores higher on coding benchmarks: 52.2 versus 29.4 in the Noometry coding category.

How many benchmarks do Gemma 2 9B and Grok 4.5 share?

21 benchmarks have published results for both models. Gemma 2 9B has 35 scored results on Noometry and Grok 4.5 has 52.

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