Model comparison
Gemma 2 2b IT vs Grok 4.1 Fast
Grok 4.1 Fast is the stronger model overall, scoring 41.4 to 33.1 on the Noometry Index.
Last verified . 17 shared benchmarks.
GoogleSummary
- They share 17 benchmarks with published results for both. Gemma 2 2b IT scores higher in 1 category and Grok 4.1 Fast in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.1 Fast leads 43.4 to 21.4.
- Gemma 2 2b IT has downloadable open weights; the other is API-only.
Side by side
| Gemma 2 2b IT | Grok 4.1 Fast | |
|---|---|---|
| Provider | xAI | |
| Noometry Index | 33.1 | 41.4 |
| Released | — | 2025-06-27 |
| Weights | Open | Proprietary |
| Context window | — | 128K |
| Max output | — | 30K |
| Input $ / M tokens | — | $0.20 |
| Output $ / M tokens | — | $0.50 |
| Results tracked | 17 | 32 |
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Category by category
Coding Grok 4.1 Fast leads
Gemma 2 2b IT: 32.3 (#273), Grok 4.1 Fast: 34.1 (#245)
| Benchmark | Gemma 2 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Coding | 1112 | 1411 |
| LMArena WebDev | — | 1242 |
| ALE-Bench | — | 394.93 |
Agentic & Tool Use Not comparable
Gemma 2 2b IT: —, Grok 4.1 Fast: 36.3 (#39)
| Benchmark | Gemma 2 2b IT | Grok 4.1 Fast |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 69.6% |
| τ²-bench Banking | — | 13.1% |
| LMArena Search | — | 1171 |
| Vending-Bench 2 | — | 1,107 |
Reasoning Grok 4.1 Fast leads
Gemma 2 2b IT: 21.4 (#224), Grok 4.1 Fast: 43.4 (#49)
| Benchmark | Gemma 2 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Hard Prompts | 1113 | 1407 |
| SimpleBench | — | 56% |
| NYT Connections (extended) | — | 87.4% |
| DTBench | — | 87.7% |
| ForecastBench | — | 61 |
Math Too close to call
Gemma 2 2b IT: 32.6 (#212), Grok 4.1 Fast: 31.9 (#221)
| Benchmark | Gemma 2 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Math | 1135 | 1408 |
| MathArena Final-Answer Competitions | — | 60.9% |
| ProofBench | — | 4% |
Knowledge Grok 4.1 Fast leads
Gemma 2 2b IT: 29.9 (#231), Grok 4.1 Fast: 33.1 (#207)
| Benchmark | Gemma 2 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Expert | 1096 | 1399 |
| Vectara Hallucination Rate | — | 17.8% |
Multimodal Not comparable
Gemma 2 2b IT: —, Grok 4.1 Fast: 37.0 (#76)
| Benchmark | Gemma 2 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Vision | — | 1201 |
Multilingual Grok 4.1 Fast leads
Gemma 2 2b IT: 32.3 (#257), Grok 4.1 Fast: 51.0 (#114)
| Benchmark | Gemma 2 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Non-English | 1121 | 1391 |
| LMArena Chinese | 1132 | 1441 |
| LMArena French | 1157 | 1415 |
| LMArena German | 1114 | 1404 |
| LMArena Japanese | 1083 | 1349 |
| LMArena Korean | 1055 | 1361 |
| LMArena Russian | 1118 | 1387 |
| LMArena Spanish | 1140 | 1413 |
Instruction Following Grok 4.1 Fast leads
Gemma 2 2b IT: 57.8 (#263), Grok 4.1 Fast: 72.7 (#133)
| Benchmark | Gemma 2 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Instruction Following | 1118 | 1376 |
Long Context Grok 4.1 Fast leads
Gemma 2 2b IT: 34.3 (#250), Grok 4.1 Fast: 42.4 (#126)
| Benchmark | Gemma 2 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Longer Query | 1130 | 1390 |
Writing & Preference Grok 4.1 Fast leads
Gemma 2 2b IT: 36.5 (#263), Grok 4.1 Fast: 57.2 (#131)
| Benchmark | Gemma 2 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Text | 1156 | 1408 |
| LMArena Creative Writing | 1147 | 1394 |
| LMArena Multi-Turn | 1118 | 1389 |
| EQ-Bench Creative Writing | — | 1327 |
Frequently asked questions
Is Gemma 2 2b IT better than Grok 4.1 Fast?
Grok 4.1 Fast is the stronger model overall, scoring 41.4 to 33.1 on the Noometry Index.
Is Gemma 2 2b IT or Grok 4.1 Fast better for coding?
Grok 4.1 Fast scores higher on coding benchmarks: 34.1 versus 32.3 in the Noometry coding category.
How many benchmarks do Gemma 2 2b IT and Grok 4.1 Fast share?
17 benchmarks have published results for both models. Gemma 2 2b IT has 17 scored results on Noometry and Grok 4.1 Fast has 32.