Model comparison
Gemma 1.1 2b IT vs Grok 4.1 Fast
Grok 4.1 Fast is the stronger model overall, scoring 41.4 to 29.3 on the Noometry Index.
Last verified . 14 shared benchmarks.
GoogleSummary
- They share 14 benchmarks with published results for both. Gemma 1.1 2b IT scores higher in 0 categories and Grok 4.1 Fast in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4.1 Fast leads 57.2 to 25.1.
- Gemma 1.1 2b IT has downloadable open weights; the other is API-only.
Side by side
| Gemma 1.1 2b IT | Grok 4.1 Fast | |
|---|---|---|
| Provider | xAI | |
| Noometry Index | 29.3 | 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 | 16 | 32 |
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Category by category
Coding Grok 4.1 Fast leads
Gemma 1.1 2b IT: 30.1 (#299), Grok 4.1 Fast: 34.1 (#245)
| Benchmark | Gemma 1.1 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Coding | 1034 | 1411 |
| LMArena WebDev | — | 1242 |
| ALE-Bench | — | 394.93 |
| HumanEval+ | 17.7% | — |
| MBPP+ | 23.3% | — |
Agentic & Tool Use Not comparable
Gemma 1.1 2b IT: —, Grok 4.1 Fast: 36.3 (#39)
| Benchmark | Gemma 1.1 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 1.1 2b IT: 19.1 (#270), Grok 4.1 Fast: 43.4 (#49)
| Benchmark | Gemma 1.1 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Hard Prompts | 1005 | 1407 |
| SimpleBench | — | 56% |
| NYT Connections (extended) | — | 87.4% |
| DTBench | — | 87.7% |
| ForecastBench | — | 61 |
Math Grok 4.1 Fast leads
Gemma 1.1 2b IT: 30.8 (#232), Grok 4.1 Fast: 31.9 (#221)
| Benchmark | Gemma 1.1 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Math | 1047 | 1408 |
| MathArena Final-Answer Competitions | — | 60.9% |
| ProofBench | — | 4% |
Knowledge Grok 4.1 Fast leads
Gemma 1.1 2b IT: 26.5 (#258), Grok 4.1 Fast: 33.1 (#207)
| Benchmark | Gemma 1.1 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Expert | 970 | 1399 |
| Vectara Hallucination Rate | — | 17.8% |
Multimodal Not comparable
Gemma 1.1 2b IT: —, Grok 4.1 Fast: 37.0 (#76)
| Benchmark | Gemma 1.1 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Vision | — | 1201 |
Multilingual Grok 4.1 Fast leads
Gemma 1.1 2b IT: 24.6 (#289), Grok 4.1 Fast: 51.0 (#114)
| Benchmark | Gemma 1.1 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Non-English | 988 | 1391 |
| LMArena Chinese | 1012 | 1441 |
| LMArena German | 944 | 1404 |
| LMArena Korean | 899 | 1361 |
| LMArena Russian | 990 | 1387 |
| LMArena French | — | 1415 |
| LMArena Japanese | — | 1349 |
| LMArena Spanish | — | 1413 |
Instruction Following Grok 4.1 Fast leads
Gemma 1.1 2b IT: 49.9 (#299), Grok 4.1 Fast: 72.7 (#133)
| Benchmark | Gemma 1.1 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Instruction Following | 992 | 1376 |
Long Context Grok 4.1 Fast leads
Gemma 1.1 2b IT: 30.6 (#286), Grok 4.1 Fast: 42.4 (#126)
| Benchmark | Gemma 1.1 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Longer Query | 1003 | 1390 |
Writing & Preference Grok 4.1 Fast leads
Gemma 1.1 2b IT: 25.1 (#306), Grok 4.1 Fast: 57.2 (#131)
| Benchmark | Gemma 1.1 2b IT | Grok 4.1 Fast |
|---|---|---|
| LMArena Text | 1022 | 1408 |
| LMArena Creative Writing | 998 | 1394 |
| LMArena Multi-Turn | 959 | 1389 |
| EQ-Bench Creative Writing | — | 1327 |
Frequently asked questions
Is Gemma 1.1 2b IT better than Grok 4.1 Fast?
Grok 4.1 Fast is the stronger model overall, scoring 41.4 to 29.3 on the Noometry Index.
Is Gemma 1.1 2b IT or Grok 4.1 Fast better for coding?
Grok 4.1 Fast scores higher on coding benchmarks: 34.1 versus 30.1 in the Noometry coding category.
How many benchmarks do Gemma 1.1 2b IT and Grok 4.1 Fast share?
14 benchmarks have published results for both models. Gemma 1.1 2b IT has 16 scored results on Noometry and Grok 4.1 Fast has 32.