Model comparison

Gemma 1.1 2b IT vs Grok 4.5

Grok 4.5 is the stronger model overall, scoring 55.0 to 29.3 on the Noometry Index.

Last verified . 14 shared benchmarks.

Gemma 1.1 2b IT Google

29.3

Rank #313 Confirmed

Grok 4.5 xAI

55.0

Rank #25 Confirmed

Summary

  • They share 14 benchmarks with published results for both. Gemma 1.1 2b IT scores higher in 0 categories and Grok 4.5 in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Grok 4.5 leads 65.8 to 25.1.
  • Gemma 1.1 2b IT has downloadable open weights; the other is API-only.

Side by side

Gemma 1.1 2b IT and Grok 4.5 specifications
Gemma 1.1 2b ITGrok 4.5
ProviderGooglexAI
Noometry Index29.355.0
Released—2026-07-08
WeightsOpenProprietary
Context window—500K
Max output—500K
Input $ / M tokens—$2
Output $ / M tokens—$6
Results tracked1652

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Category by category

Coding Grok 4.5 leads

Gemma 1.1 2b IT: 30.1 (#299), Grok 4.5: 52.2 (#35)

Coding benchmarks
BenchmarkGemma 1.1 2b ITGrok 4.5
LMArena Coding10341474
DeepSWE—53.8%
FrontierCode—42.4%
LMArena WebDev—1553
SciCode—54.1%
WeirdML—46.4%
ALE-Bench—1,309
HumanEval+17.7%—
MBPP+23.3%—

Agentic & Tool Use Not comparable

Gemma 1.1 2b IT: —, Grok 4.5: 44.4 (#17)

Agentic & Tool Use benchmarks
BenchmarkGemma 1.1 2b ITGrok 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 1.1 2b IT: 19.1 (#270), Grok 4.5: 56.1 (#25)

Reasoning benchmarks
BenchmarkGemma 1.1 2b ITGrok 4.5
LMArena Hard Prompts10051462
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%
DTBench—96.5%
LMCA—45.2%
Surface Evolver Bench—74.4%
Epoch Capabilities Index—153.92

Math Grok 4.5 leads

Gemma 1.1 2b IT: 30.8 (#232), Grok 4.5: 60.9 (#35)

Math benchmarks
BenchmarkGemma 1.1 2b ITGrok 4.5
LMArena Math10471459
FrontierMath (Tiers 1-3)—57.2%
FrontierMath Tier 4—24.4%
OTIS Mock AIME 2024-2025—97.8%
ProofBench—31%

Knowledge Grok 4.5 leads

Gemma 1.1 2b IT: 26.5 (#258), Grok 4.5: 62.3 (#24)

Knowledge benchmarks
BenchmarkGemma 1.1 2b ITGrok 4.5
LMArena Expert9701466
GPQA Diamond—93.4%
SimpleQA Verified—48.3%

Multimodal Not comparable

Gemma 1.1 2b IT: —, Grok 4.5: 37.6 (#72)

Multimodal benchmarks
BenchmarkGemma 1.1 2b ITGrok 4.5
LMArena Vision—1288
Blueprint-Bench 2—27.3%
Furniture Assembly—22.5%
LMArena Document—1452

Multilingual Grok 4.5 leads

Gemma 1.1 2b IT: 24.6 (#289), Grok 4.5: 54.4 (#42)

Multilingual benchmarks
BenchmarkGemma 1.1 2b ITGrok 4.5
LMArena Non-English9881440
LMArena Chinese10121496
LMArena German9441446
LMArena Korean8991404
LMArena Russian9901448
LMArena French—1456
LMArena Japanese—1428
LMArena Spanish—1450

Instruction Following Grok 4.5 leads

Gemma 1.1 2b IT: 49.9 (#299), Grok 4.5: 76.0 (#48)

Instruction Following benchmarks
BenchmarkGemma 1.1 2b ITGrok 4.5
LMArena Instruction Following9921446

Long Context Grok 4.5 leads

Gemma 1.1 2b IT: 30.6 (#286), Grok 4.5: 44.8 (#56)

Long Context benchmarks
BenchmarkGemma 1.1 2b ITGrok 4.5
LMArena Longer Query10031463

Writing & Preference Grok 4.5 leads

Gemma 1.1 2b IT: 25.1 (#306), Grok 4.5: 65.8 (#42)

Writing & Preference benchmarks
BenchmarkGemma 1.1 2b ITGrok 4.5
LMArena Text10221448
LMArena Creative Writing9981442
LMArena Multi-Turn9591456
EQ-Bench Creative Writing—1579

Frequently asked questions

Is Gemma 1.1 2b IT better than Grok 4.5?

Grok 4.5 is the stronger model overall, scoring 55.0 to 29.3 on the Noometry Index.

Is Gemma 1.1 2b IT or Grok 4.5 better for coding?

Grok 4.5 scores higher on coding benchmarks: 52.2 versus 30.1 in the Noometry coding category.

How many benchmarks do Gemma 1.1 2b IT and Grok 4.5 share?

14 benchmarks have published results for both models. Gemma 1.1 2b IT has 16 scored results on Noometry and Grok 4.5 has 52.

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