Model comparison
Gemma 1.1 2b IT vs GPT-4.1 nano
Gemma 1.1 2b IT is the stronger model overall, scoring 29.3 to 27.9 on the Noometry Index.
Last verified . 13 shared benchmarks.
Summary
- They share 13 benchmarks with published results for both. Gemma 1.1 2b IT scores higher in 5 categories and GPT-4.1 nano in 3 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in instruction following, where GPT-4.1 nano leads 67.8 to 49.9.
- Gemma 1.1 2b IT has downloadable open weights; the other is API-only.
Side by side
| Gemma 1.1 2b IT | GPT-4.1 nano | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 29.3 | 27.9 |
| Released | — | 2025-04-14 |
| Weights | Open | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 33K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.40 |
| Results tracked | 16 | 38 |
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Category by category
Coding Gemma 1.1 2b IT leads
Gemma 1.1 2b IT: 30.1 (#299), GPT-4.1 nano: 24.1 (#330)
| Benchmark | Gemma 1.1 2b IT | GPT-4.1 nano |
|---|---|---|
| LMArena Coding | 1034 | 1306 |
| Aider Polyglot | — | 8.9% |
| SciCode | — | 25.9% |
| WeirdML | — | 19% |
| HumanEval+ | 17.7% | — |
| MBPP+ | 23.3% | — |
Agentic & Tool Use Not comparable
Gemma 1.1 2b IT: —, GPT-4.1 nano: 26.5 (#104)
| Benchmark | Gemma 1.1 2b IT | GPT-4.1 nano |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 33% |
Reasoning Gemma 1.1 2b IT leads
Gemma 1.1 2b IT: 19.1 (#270), GPT-4.1 nano: 8.5 (#349)
| Benchmark | Gemma 1.1 2b IT | GPT-4.1 nano |
|---|---|---|
| LMArena Hard Prompts | 1005 | 1286 |
| ARC-AGI-2 | — | 0% |
| Kagi LLM Benchmark | — | 33.3% |
| ARC-AGI-1 | — | 0% |
| CritPt | — | 0% |
| DTBench | — | 52.5% |
| LMCA | — | 5.5% |
| Epoch Capabilities Index | — | 129.62 |
Math Gemma 1.1 2b IT leads
Gemma 1.1 2b IT: 30.8 (#232), GPT-4.1 nano: 26.9 (#252)
| Benchmark | Gemma 1.1 2b IT | GPT-4.1 nano |
|---|---|---|
| LMArena Math | 1047 | 1274 |
| OTIS Mock AIME 2024-2025 | — | 28.9% |
| Omni-MATH | — | 36.7% |
| MATH Level 5 | — | 70% |
| FrontierMath (Feb 2025 set) | — | 1% |
Knowledge Gemma 1.1 2b IT leads
Gemma 1.1 2b IT: 26.5 (#258), GPT-4.1 nano: 21.8 (#273)
| Benchmark | Gemma 1.1 2b IT | GPT-4.1 nano |
|---|---|---|
| LMArena Expert | 970 | 1272 |
| GPQA Diamond | — | 48.9% |
| SimpleQA Verified | — | 6% |
| MMLU-Pro | — | 55% |
| GPQA (HELM) | — | 50.7% |
Multimodal Not comparable
Gemma 1.1 2b IT: —, GPT-4.1 nano: 29.2 (#113)
| Benchmark | Gemma 1.1 2b IT | GPT-4.1 nano |
|---|---|---|
| LMArena Vision | — | 1063 |
Multilingual GPT-4.1 nano leads
Gemma 1.1 2b IT: 24.6 (#289), GPT-4.1 nano: 41.6 (#205)
| Benchmark | Gemma 1.1 2b IT | GPT-4.1 nano |
|---|---|---|
| LMArena Non-English | 988 | 1260 |
| LMArena Chinese | 1012 | 1270 |
| LMArena German | 944 | 1288 |
| LMArena Russian | 990 | 1261 |
| LMArena Japanese | — | 1198 |
| LMArena Korean | 899 | — |
Instruction Following GPT-4.1 nano leads
Gemma 1.1 2b IT: 49.9 (#299), GPT-4.1 nano: 67.8 (#193)
| Benchmark | Gemma 1.1 2b IT | GPT-4.1 nano |
|---|---|---|
| LMArena Instruction Following | 992 | 1267 |
| IFEval | — | 84.3% |
Long Context Gemma 1.1 2b IT leads
Gemma 1.1 2b IT: 30.6 (#286), GPT-4.1 nano: 23.7 (#296)
| Benchmark | Gemma 1.1 2b IT | GPT-4.1 nano |
|---|---|---|
| LMArena Longer Query | 1003 | 1283 |
| Fiction.LiveBench | — | 25% |
Writing & Preference GPT-4.1 nano leads
Gemma 1.1 2b IT: 25.1 (#306), GPT-4.1 nano: 40.5 (#243)
| Benchmark | Gemma 1.1 2b IT | GPT-4.1 nano |
|---|---|---|
| LMArena Text | 1022 | 1285 |
| LMArena Creative Writing | 998 | 1260 |
| LMArena Multi-Turn | 959 | 1277 |
| EQ-Bench Creative Writing | — | 946 |
| WildBench | — | 81.2% |
Frequently asked questions
Is Gemma 1.1 2b IT better than GPT-4.1 nano?
Gemma 1.1 2b IT is the stronger model overall, scoring 29.3 to 27.9 on the Noometry Index.
Is Gemma 1.1 2b IT or GPT-4.1 nano better for coding?
Gemma 1.1 2b IT scores higher on coding benchmarks: 30.1 versus 24.1 in the Noometry coding category.
How many benchmarks do Gemma 1.1 2b IT and GPT-4.1 nano share?
13 benchmarks have published results for both models. Gemma 1.1 2b IT has 16 scored results on Noometry and GPT-4.1 nano has 38.