Model comparison
Gemma 2B vs Grok 4.3
Grok 4.3 is the stronger model overall, scoring 43.8 to 29.6 on the Noometry Index.
Last verified . 12 shared benchmarks.
GoogleSummary
- They share 12 benchmarks with published results for both. Gemma 2B scores higher in 0 categories and Grok 4.3 in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4.3 leads 58.5 to 24.0.
- Gemma 2B has downloadable open weights; the other is API-only.
Side by side
| Gemma 2B | Grok 4.3 | |
|---|---|---|
| Provider | xAI | |
| Noometry Index | 29.6 | 43.8 |
| Released | 2024-02-21 | 2026-04-17 |
| Weights | Open | Proprietary |
| Context window | — | 1M |
| Max output | — | 30K |
| Input $ / M tokens | — | $1.25 |
| Output $ / M tokens | — | $2.50 |
| Results tracked | 23 | 40 |
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Category by category
Coding Grok 4.3 leads
Gemma 2B: 29.4 (#305), Grok 4.3: 41.6 (#121)
| Benchmark | Gemma 2B | Grok 4.3 |
|---|---|---|
| LMArena Coding | 1010 | 1415 |
| LMArena WebDev | — | 1357 |
| SciCode | — | 47.3% |
| WeirdML | — | 49.9% |
| ALE-Bench | — | 944.17 |
| HumanEval+ | 20.7% | — |
| MBPP+ | 34.1% | — |
Agentic & Tool Use Not comparable
Gemma 2B: —, Grok 4.3: 27.7 (#99)
| Benchmark | Gemma 2B | Grok 4.3 |
|---|---|---|
| GDP.pdf | — | 8% |
| LMArena Search | — | 1165 |
| Vending-Bench 2 | — | 35.26 |
Reasoning Grok 4.3 leads
Gemma 2B: 18.8 (#275), Grok 4.3: 35.9 (#68)
| Benchmark | Gemma 2B | Grok 4.3 |
|---|---|---|
| LMArena Hard Prompts | 989 | 1396 |
| Epoch Capabilities Index | 94.2 | 149.16 |
| NYT Connections (extended) | — | 55.2% |
| CritPt | — | 8% |
| Chess Puzzles | — | 25% |
| DTBench | — | 90.7% |
| LMCA | — | 38.3% |
| BIG-Bench Hard | 35.2% | — |
| ForecastBench | — | 60.3 |
| HellaSwag | 71.4% | — |
| PIQA | 77.3% | — |
| WinoGrande | 65.4% | — |
Math Grok 4.3 leads
Gemma 2B: 30.0 (#239), Grok 4.3: 46.0 (#74)
| Benchmark | Gemma 2B | Grok 4.3 |
|---|---|---|
| LMArena Math | 1009 | 1388 |
| FrontierMath (Tiers 1-3) | — | 42.8% |
| FrontierMath Tier 4 | — | 14.6% |
| OTIS Mock AIME 2024-2025 | — | 93.3% |
| ProofBench | — | 11% |
| GSM8K | 17.7% | — |
Knowledge Not comparable
Gemma 2B: —, Grok 4.3: 52.5 (#62)
| Benchmark | Gemma 2B | Grok 4.3 |
|---|---|---|
| GPQA Diamond | — | 88.8% |
| SimpleQA Verified | — | 33.2% |
| LMArena Expert | — | 1385 |
| ARC (AI2) Challenge | 42.1% | — |
| BoolQ | 69.4% | — |
| MMLU | 42.3% | — |
| TriviaQA | 53.2% | — |
Multimodal Not comparable
Gemma 2B: —, Grok 4.3: 31.6 (#104)
| Benchmark | Gemma 2B | Grok 4.3 |
|---|---|---|
| LMArena Vision | — | 1229 |
| Blueprint-Bench 2 | — | 0% |
Multilingual Grok 4.3 leads
Gemma 2B: 23.0 (#294), Grok 4.3: 50.5 (#120)
| Benchmark | Gemma 2B | Grok 4.3 |
|---|---|---|
| LMArena Non-English | 958 | 1385 |
| LMArena Chinese | 986 | 1422 |
| LMArena Russian | 937 | 1399 |
| LMArena French | — | 1412 |
| LMArena German | — | 1395 |
| LMArena Japanese | — | 1379 |
| LMArena Korean | — | 1356 |
| LMArena Spanish | — | 1398 |
Instruction Following Grok 4.3 leads
Gemma 2B: 48.5 (#302), Grok 4.3: 72.1 (#140)
| Benchmark | Gemma 2B | Grok 4.3 |
|---|---|---|
| LMArena Instruction Following | 970 | 1366 |
Long Context Grok 4.3 leads
Gemma 2B: 29.9 (#291), Grok 4.3: 42.5 (#123)
| Benchmark | Gemma 2B | Grok 4.3 |
|---|---|---|
| LMArena Longer Query | 981 | 1393 |
Writing & Preference Grok 4.3 leads
Gemma 2B: 24.0 (#308), Grok 4.3: 58.5 (#118)
| Benchmark | Gemma 2B | Grok 4.3 |
|---|---|---|
| LMArena Text | 1002 | 1397 |
| LMArena Creative Writing | 987 | 1380 |
| LMArena Multi-Turn | 945 | 1406 |
| EQ-Bench 4 | — | 1075 |
Frequently asked questions
Is Gemma 2B better than Grok 4.3?
Grok 4.3 is the stronger model overall, scoring 43.8 to 29.6 on the Noometry Index.
Is Gemma 2B or Grok 4.3 better for coding?
Grok 4.3 scores higher on coding benchmarks: 41.6 versus 29.4 in the Noometry coding category.
How many benchmarks do Gemma 2B and Grok 4.3 share?
12 benchmarks have published results for both models. Gemma 2B has 23 scored results on Noometry and Grok 4.3 has 40.