Model comparison

Gemma 3 1B vs Grok 4.5

Grok 4.5 is the stronger model overall, scoring 55.0 to 21.1 on the Noometry Index.

Last verified . 3 shared benchmarks.

Gemma 3 1B Google

21.1

Rank #353 Reported

Grok 4.5 xAI

55.0

Rank #25 Confirmed

Summary

  • They share 3 benchmarks with published results for both. Gemma 3 1B scores higher in 0 categories and Grok 4.5 in 4 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Grok 4.5 leads 62.3 to 7.0.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.1% for Gemma 3 1B and 97.8% for Grok 4.5.
  • Gemma 3 1B has downloadable open weights; the other is API-only.

Side by side

Gemma 3 1B and Grok 4.5 specifications
Gemma 3 1BGrok 4.5
ProviderGooglexAI
Noometry Index21.155.0
Released2025-03-122026-07-08
WeightsOpenProprietary
Context window—500K
Max output—500K
Input $ / M tokens—$2
Output $ / M tokens—$6
Results tracked452

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Not comparable

Gemma 3 1B: —, Grok 4.5: 52.2 (#35)

Coding benchmarks
BenchmarkGemma 3 1BGrok 4.5
DeepSWE—53.8%
FrontierCode—42.4%
LMArena WebDev—1553
SciCode—54.1%
WeirdML—46.4%
LMArena Coding—1474
ALE-Bench—1,309

Agentic & Tool Use Grok 4.5 leads

Gemma 3 1B: 13.7 (#152), Grok 4.5: 44.4 (#17)

Agentic & Tool Use benchmarks
BenchmarkGemma 3 1BGrok 4.5
APEX-Agents—56.2%
Berkeley Function Calling Leaderboard7.2%—
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 3 1B: 19.2 (#264), Grok 4.5: 56.1 (#25)

Reasoning benchmarks
BenchmarkGemma 3 1BGrok 4.5
Chess Puzzles0%36%
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%
LMArena Hard Prompts—1462
DTBench—96.5%
LMCA—45.2%
Surface Evolver Bench—74.4%
Epoch Capabilities Index—153.92

Math Grok 4.5 leads

Gemma 3 1B: 10.2 (#316), Grok 4.5: 60.9 (#35)

Math benchmarks
BenchmarkGemma 3 1BGrok 4.5
OTIS Mock AIME 2024-20251.1%97.8%
FrontierMath (Tiers 1-3)—57.2%
FrontierMath Tier 4—24.4%
ProofBench—31%
LMArena Math—1459

Knowledge Grok 4.5 leads

Gemma 3 1B: 7.0 (#314), Grok 4.5: 62.3 (#24)

Knowledge benchmarks
BenchmarkGemma 3 1BGrok 4.5
GPQA Diamond19.9%93.4%
SimpleQA Verified—48.3%
LMArena Expert—1466

Multimodal Not comparable

Gemma 3 1B: —, Grok 4.5: 37.6 (#72)

Multimodal benchmarks
BenchmarkGemma 3 1BGrok 4.5
LMArena Vision—1288
Blueprint-Bench 2—27.3%
Furniture Assembly—22.5%
LMArena Document—1452

Multilingual Not comparable

Gemma 3 1B: —, Grok 4.5: 54.4 (#42)

Multilingual benchmarks
BenchmarkGemma 3 1BGrok 4.5
LMArena Non-English—1440
LMArena Chinese—1496
LMArena French—1456
LMArena German—1446
LMArena Japanese—1428
LMArena Korean—1404
LMArena Russian—1448
LMArena Spanish—1450

Instruction Following Not comparable

Gemma 3 1B: —, Grok 4.5: 76.0 (#48)

Instruction Following benchmarks
BenchmarkGemma 3 1BGrok 4.5
LMArena Instruction Following—1446

Long Context Not comparable

Gemma 3 1B: —, Grok 4.5: 44.8 (#56)

Long Context benchmarks
BenchmarkGemma 3 1BGrok 4.5
LMArena Longer Query—1463

Writing & Preference Not comparable

Gemma 3 1B: —, Grok 4.5: 65.8 (#42)

Writing & Preference benchmarks
BenchmarkGemma 3 1BGrok 4.5
LMArena Text—1448
LMArena Creative Writing—1442
EQ-Bench Creative Writing—1579
LMArena Multi-Turn—1456

Frequently asked questions

Is Gemma 3 1B better than Grok 4.5?

Grok 4.5 is the stronger model overall, scoring 55.0 to 21.1 on the Noometry Index.

How many benchmarks do Gemma 3 1B and Grok 4.5 share?

3 benchmarks have published results for both models. Gemma 3 1B has 4 scored results on Noometry and Grok 4.5 has 52.

Related comparisons

Go deeper