Noometry

Model comparison

Gemma 2 27B vs Grok 4.3

Grok 4.3 is the stronger model overall, scoring 43.6 to 29.2 on the Noometry Index. Gemma 2 27B costs 2.4× less per token, which makes it the better buy when Grok 4.3's lead doesn't matter for your workload.

Last verified . 22 shared benchmarks.

Gemma 2 27B Google

29.2

Rank #302 Confirmed

Grok 4.3 xAI

43.6

Rank #80 Confirmed

Summary

  • They share 22 benchmarks with published results for both. Gemma 2 27B scores higher in 0 categories and Grok 4.3 in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Grok 4.3 leads 45.8 to 10.0.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.4% for Gemma 2 27B and 93.3% for Grok 4.3.
  • Gemma 2 27B is cheaper at $0.65 / $0.65 per million input/output tokens, against $1.25 / $2.50 for Grok 4.3.
  • Grok 4.3 accepts more context: 1M tokens versus 8K.
  • Gemma 2 27B has downloadable open weights; the other is API-only.

Side by side

Gemma 2 27BGrok 4.3
ProviderGooglexAI
Noometry Index29.243.6
Released2024-06-242026-04-17
WeightsOpenProprietary
Context window8K1M
Max output2K30K
Input $ / M tokens$0.65$1.25
Output $ / M tokens$0.65$2.50
Results tracked3440

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Category by category

Coding Grok 4.3 leads

Gemma 2 27B: 33.5 (#243), Grok 4.3: 41.3 (#117)

BenchmarkGemma 2 27BGrok 4.3
LMArena Coding12111415
LMArena WebDev—1357
SciCode—47.3%
WeirdML—49.9%
BigCodeBench Instruct42.8%—
LiveBench Coding36%—
BigCodeBench Complete52.5%—
ALE-Bench—944.17

Agentic & Tool Use Not comparable

Gemma 2 27B: —, Grok 4.3: 27.6 (#93)

BenchmarkGemma 2 27BGrok 4.3
GDP.pdf—8%
LMArena Search—1165
Vending-Bench 2—35.26

Reasoning Grok 4.3 leads

Gemma 2 27B: 14.8 (#313), Grok 4.3: 34.9 (#60)

BenchmarkGemma 2 27BGrok 4.3
LMArena Hard Prompts11991397
DTBench48%90.7%
LMCA7.1%38.3%
Epoch Capabilities Index122.06149.13
NYT Connections (extended)—55.2%
CritPt—8%
Chess Puzzles—25%
LiveBench Reasoning28.1%—
LiveBench Data Analysis47.9%—
ForecastBench—60.3
LiveBench38.2%—

Math Grok 4.3 leads

Gemma 2 27B: 10.0 (#306), Grok 4.3: 45.8 (#60)

BenchmarkGemma 2 27BGrok 4.3
OTIS Mock AIME 2024-20251.4%93.3%
LMArena Math12121388
FrontierMath (Tiers 1-3)—42.8%
FrontierMath Tier 4—14.6%
ProofBench—11%
LiveBench Math26.5%—
MATH Level 527.9%—

Knowledge Grok 4.3 leads

Gemma 2 27B: 18.9 (#275), Grok 4.3: 52.5 (#57)

BenchmarkGemma 2 27BGrok 4.3
GPQA Diamond36.5%88.8%
LMArena Expert11721385
SimpleQA Verified—33.2%
Confabulations27.1%—
MMLU75.7%—

Multimodal Not comparable

Gemma 2 27B: —, Grok 4.3: 31.6 (#96)

BenchmarkGemma 2 27BGrok 4.3
LMArena Vision—1231
Blueprint-Bench 2—0%

Multilingual Grok 4.3 leads

Gemma 2 27B: 38.8 (#221), Grok 4.3: 50.7 (#114)

BenchmarkGemma 2 27BGrok 4.3
LMArena Non-English12171385
LMArena Chinese12211423
LMArena French12461412
LMArena German12091395
LMArena Japanese11751379
LMArena Korean11741357
LMArena Russian12341399
LMArena Spanish12281402

Instruction Following Grok 4.3 leads

Gemma 2 27B: 60.7 (#244), Grok 4.3: 72.3 (#135)

BenchmarkGemma 2 27BGrok 4.3
LMArena Instruction Following12061366
LiveBench Instruction Following58.1%—

Long Context Grok 4.3 leads

Gemma 2 27B: 37.3 (#213), Grok 4.3: 42.5 (#118)

BenchmarkGemma 2 27BGrok 4.3
LMArena Longer Query12311393

Writing & Preference Grok 4.3 leads

Gemma 2 27B: 44.4 (#220), Grok 4.3: 58.6 (#112)

BenchmarkGemma 2 27BGrok 4.3
LMArena Text12311397
LMArena Creative Writing12411380
LMArena Multi-Turn12241406
EQ-Bench 4—1075
LiveBench Language32.6%—

Frequently asked questions

Is Gemma 2 27B better than Grok 4.3?

Grok 4.3 is the stronger model overall, scoring 43.6 to 29.2 on the Noometry Index. Gemma 2 27B costs 2.4× less per token, which makes it the better buy when Grok 4.3's lead doesn't matter for your workload.

Which is cheaper, Gemma 2 27B or Grok 4.3?

Gemma 2 27B is cheaper. It lists at $0.65 per million input tokens and $0.65 per million output tokens; Grok 4.3 lists at $1.25 and $2.50.

Is Gemma 2 27B or Grok 4.3 better for coding?

Grok 4.3 scores higher on coding benchmarks: 41.3 versus 33.5 in the Noometry coding category.

Which has the bigger context window?

Grok 4.3 does, with 1M tokens against 8K.

How many benchmarks do Gemma 2 27B and Grok 4.3 share?

22 benchmarks have published results for both models. Gemma 2 27B has 34 scored results on Noometry and Grok 4.3 has 40.

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