Model comparison
Gemma 2 9B vs Grok 4.20 (Non-Reasoning)
Grok 4.20 (Non-Reasoning) is the stronger model overall, scoring 48.6 to 25.9 on the Noometry Index.
Last verified . 21 shared benchmarks.
GoogleSummary
- They share 21 benchmarks with published results for both. Gemma 2 9B scores higher in 0 categories and Grok 4.20 (Non-Reasoning) in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 4.20 (Non-Reasoning) leads 52.8 to 9.7.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 0.6% for Gemma 2 9B and 92.2% for Grok 4.20 (Non-Reasoning).
- Gemma 2 9B has downloadable open weights; the other is API-only.
Side by side
| Gemma 2 9B | Grok 4.20 (Non-Reasoning) | |
|---|---|---|
| Provider | xAI | |
| Noometry Index | 25.9 | 48.6 |
| Released | 2024-06-24 | 2026-02-17 |
| Weights | Open | Proprietary |
| Context window | — | 1M |
| Max output | — | 30K |
| Input $ / M tokens | — | $1.25 |
| Output $ / M tokens | — | $2.50 |
| Results tracked | 35 | 46 |
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Category by category
Coding Grok 4.20 (Non-Reasoning) leads
Gemma 2 9B: 29.4 (#304), Grok 4.20 (Non-Reasoning): 42.1 (#112)
| Benchmark | Gemma 2 9B | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Coding | 1173 | 1459 |
| LMArena WebDev | — | 1375 |
| WeirdML | — | 52.3% |
| BigCodeBench Instruct | 34.7% | — |
| LiveBench Coding | 22.5% | — |
| BigCodeBench Complete | 40.6% | — |
| ALE-Bench | — | 1,150 |
Agentic & Tool Use Not comparable
Gemma 2 9B: —, Grok 4.20 (Non-Reasoning): 34.4 (#46)
| Benchmark | Gemma 2 9B | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| Terminal-Bench | — | 57.3% |
| τ²-bench Banking | — | 18% |
| LMArena Search | — | 1189 |
| Vending-Bench 2 | — | 4,663 |
Reasoning Grok 4.20 (Non-Reasoning) leads
Gemma 2 9B: 15.9 (#309), Grok 4.20 (Non-Reasoning): 52.3 (#32)
| Benchmark | Gemma 2 9B | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Hard Prompts | 1171 | 1451 |
| Epoch Capabilities Index | 119.83 | 151.98 |
| ARC-AGI-2 | — | 65.1% |
| Kagi LLM Benchmark | — | 75% |
| NYT Connections (extended) | — | 85.4% |
| ARC-AGI-1 | — | 89.5% |
| Chess Puzzles | — | 24% |
| Thematic Generalization | — | 63.8% |
| LiveBench Reasoning | 15.2% | — |
| DTBench | — | 90.1% |
| LiveBench Data Analysis | 36.4% | — |
| LMCA | — | 38.7% |
| ForecastBench | — | 61.4 |
| LiveBench | 28.7% | — |
| PIQA | 83.7% | — |
Math Grok 4.20 (Non-Reasoning) leads
Gemma 2 9B: 9.9 (#318), Grok 4.20 (Non-Reasoning): 48.2 (#65)
| Benchmark | Gemma 2 9B | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 0.6% | 92.2% |
| LMArena Math | 1183 | 1455 |
| FrontierMath (Tiers 1-3) | — | 44.9% |
| FrontierMath Tier 4 | — | 17.1% |
| ProofBench | — | 14% |
| LiveBench Math | 19.8% | — |
| MATH Level 5 | 21% | — |
| GSM8K | 84.9% | — |
Knowledge Grok 4.20 (Non-Reasoning) leads
Gemma 2 9B: 9.7 (#305), Grok 4.20 (Non-Reasoning): 52.8 (#60)
| Benchmark | Gemma 2 9B | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| GPQA Diamond | 27.5% | 89.3% |
| LMArena Expert | 1147 | 1439 |
| SimpleQA Verified | — | 30.2% |
| BoolQ | 85.7% | — |
| MMLU | 72.1% | — |
Multimodal Not comparable
Gemma 2 9B: —, Grok 4.20 (Non-Reasoning): 33.3 (#98)
| Benchmark | Gemma 2 9B | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Vision | — | 1263 |
| Blueprint-Bench 2 | — | 0% |
| LMArena Document | — | 1416 |
Multilingual Grok 4.20 (Non-Reasoning) leads
Gemma 2 9B: 36.6 (#238), Grok 4.20 (Non-Reasoning): 54.5 (#40)
| Benchmark | Gemma 2 9B | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Non-English | 1188 | 1441 |
| LMArena Chinese | 1185 | 1481 |
| LMArena French | 1190 | 1476 |
| LMArena German | 1186 | 1465 |
| LMArena Japanese | 1144 | 1449 |
| LMArena Korean | 1137 | 1417 |
| LMArena Russian | 1200 | 1458 |
| LMArena Spanish | 1200 | 1443 |
Instruction Following Grok 4.20 (Non-Reasoning) leads
Gemma 2 9B: 57.6 (#269), Grok 4.20 (Non-Reasoning): 74.8 (#83)
| Benchmark | Gemma 2 9B | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Instruction Following | 1178 | 1420 |
| LiveBench Instruction Following | 52.6% | — |
Long Context Grok 4.20 (Non-Reasoning) leads
Gemma 2 9B: 36.3 (#233), Grok 4.20 (Non-Reasoning): 45.5 (#34)
| Benchmark | Gemma 2 9B | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Longer Query | 1197 | 1437 |
| CL-bench | — | 22.2% |
| CL-bench Life | — | 11.9% |
Writing & Preference Grok 4.20 (Non-Reasoning) leads
Gemma 2 9B: 32.1 (#281), Grok 4.20 (Non-Reasoning): 65.7 (#44)
| Benchmark | Gemma 2 9B | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Text | 1207 | 1451 |
| LMArena Creative Writing | 1206 | 1438 |
| EQ-Bench Creative Writing | 841 | 1574 |
| LMArena Multi-Turn | 1193 | 1456 |
| LiveBench Language | 25.5% | — |
Frequently asked questions
Is Gemma 2 9B better than Grok 4.20 (Non-Reasoning)?
Grok 4.20 (Non-Reasoning) is the stronger model overall, scoring 48.6 to 25.9 on the Noometry Index.
Is Gemma 2 9B or Grok 4.20 (Non-Reasoning) better for coding?
Grok 4.20 (Non-Reasoning) scores higher on coding benchmarks: 42.1 versus 29.4 in the Noometry coding category.
How many benchmarks do Gemma 2 9B and Grok 4.20 (Non-Reasoning) share?
21 benchmarks have published results for both models. Gemma 2 9B has 35 scored results on Noometry and Grok 4.20 (Non-Reasoning) has 46.