Model comparison
Gemma 2B vs GPT-4.5
GPT-4.5 is the stronger model overall, scoring 37.2 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 1 category and GPT-4.5 in 6 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GPT-4.5 leads 56.9 to 24.0.
- Gemma 2B has downloadable open weights; the other is API-only.
Side by side
| Gemma 2B | GPT-4.5 | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 29.6 | 37.2 |
| Released | 2024-02-21 | 2025-02-27 |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 23 | 42 |
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Category by category
Coding GPT-4.5 leads
Gemma 2B: 29.4 (#305), GPT-4.5: 42.2 (#109)
| Benchmark | Gemma 2B | GPT-4.5 |
|---|---|---|
| LMArena Coding | 1010 | 1396 |
| Aider Polyglot | — | 44.9% |
| WeirdML | — | 39.4% |
| LiveBench Coding | — | 75.2% |
| HumanEval+ | 20.7% | — |
| MBPP+ | 34.1% | — |
Agentic & Tool Use Not comparable
Gemma 2B: —, GPT-4.5: 27.9 (#97)
| Benchmark | Gemma 2B | GPT-4.5 |
|---|---|---|
| Cybench | — | 17.5% |
Reasoning Gemma 2B leads
Gemma 2B: 18.8 (#275), GPT-4.5: 13.9 (#330)
| Benchmark | Gemma 2B | GPT-4.5 |
|---|---|---|
| LMArena Hard Prompts | 989 | 1403 |
| Epoch Capabilities Index | 94.2 | 136.74 |
| ARC-AGI-2 | — | 0.8% |
| SimpleBench | — | 34.5% |
| ARC-AGI-1 | — | 10.3% |
| EnigmaEval | — | 3.2% |
| LiveBench Reasoning | — | 71.1% |
| LiveBench Data Analysis | — | 64.3% |
| BIG-Bench Hard | 35.2% | — |
| ForecastBench | — | 61.7 |
| HellaSwag | 71.4% | — |
| LiveBench | — | 69% |
| PIQA | 77.3% | — |
| WinoGrande | 65.4% | — |
Math GPT-4.5 leads
Gemma 2B: 30.0 (#239), GPT-4.5: 32.6 (#211)
| Benchmark | Gemma 2B | GPT-4.5 |
|---|---|---|
| LMArena Math | 1009 | 1412 |
| OTIS Mock AIME 2024-2025 | — | 37.8% |
| LiveBench Math | — | 69.3% |
| MATH Level 5 | — | 78.6% |
| GSM8K | 17.7% | — |
Knowledge Not comparable
Gemma 2B: —, GPT-4.5: 32.5 (#211)
| Benchmark | Gemma 2B | GPT-4.5 |
|---|---|---|
| GPQA Diamond | — | 68.7% |
| Humanity's Last Exam | — | 5.4% |
| Confabulations | — | 13.6% |
| LMArena Expert | — | 1394 |
| ARC (AI2) Challenge | 42.1% | — |
| BoolQ | 69.4% | — |
| MMLU | 42.3% | — |
| TriviaQA | 53.2% | — |
Multimodal Not comparable
Gemma 2B: —, GPT-4.5: 37.6 (#71)
| Benchmark | Gemma 2B | GPT-4.5 |
|---|---|---|
| LMArena Vision | — | 1195 |
| VPCT | — | 45% |
Multilingual GPT-4.5 leads
Gemma 2B: 23.0 (#294), GPT-4.5: 52.5 (#83)
| Benchmark | Gemma 2B | GPT-4.5 |
|---|---|---|
| LMArena Non-English | 958 | 1413 |
| LMArena Chinese | 986 | 1421 |
| LMArena Russian | 937 | 1419 |
| LMArena French | — | 1418 |
| LMArena German | — | 1457 |
| LMArena Japanese | — | 1416 |
| LMArena Korean | — | 1392 |
Instruction Following GPT-4.5 leads
Gemma 2B: 48.5 (#302), GPT-4.5: 72.6 (#134)
| Benchmark | Gemma 2B | GPT-4.5 |
|---|---|---|
| LMArena Instruction Following | 970 | 1404 |
| LiveBench Instruction Following | — | 72.3% |
Long Context GPT-4.5 leads
Gemma 2B: 29.9 (#291), GPT-4.5: 40.4 (#155)
| Benchmark | Gemma 2B | GPT-4.5 |
|---|---|---|
| LMArena Longer Query | 981 | 1406 |
| Fiction.LiveBench | — | 63.9% |
Writing & Preference GPT-4.5 leads
Gemma 2B: 24.0 (#308), GPT-4.5: 56.9 (#134)
| Benchmark | Gemma 2B | GPT-4.5 |
|---|---|---|
| LMArena Text | 1002 | 1417 |
| LMArena Creative Writing | 987 | 1394 |
| LMArena Multi-Turn | 945 | 1444 |
| Short-Story Creative Writing | — | 75.6% |
| EQ-Bench Creative Writing | — | 1258 |
| LiveBench Language | — | 61.5% |
Frequently asked questions
Is Gemma 2B better than GPT-4.5?
GPT-4.5 is the stronger model overall, scoring 37.2 to 29.6 on the Noometry Index.
Is Gemma 2B or GPT-4.5 better for coding?
GPT-4.5 scores higher on coding benchmarks: 42.2 versus 29.4 in the Noometry coding category.
How many benchmarks do Gemma 2B and GPT-4.5 share?
12 benchmarks have published results for both models. Gemma 2B has 23 scored results on Noometry and GPT-4.5 has 42.