Model comparison
Gemma 2B vs GPT-6 Luna
GPT-6 Luna is the stronger model overall, scoring 45.1 to 29.1 on the Noometry Index.
Last verified . 11 shared benchmarks.
GoogleSummary
- They share 11 benchmarks with published results for both. Gemma 2B scores higher in 0 categories and GPT-6 Luna in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GPT-6 Luna leads 58.4 to 24.1.
- Gemma 2B has downloadable open weights; the other is API-only.
Side by side
| Gemma 2B | GPT-6 Luna | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 29.1 | 45.1 |
| Released | 2024-02-21 | 2026-09-22 |
| Weights | Open | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 128K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.50 |
| Results tracked | 23 | 18 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding GPT-6 Luna leads
Gemma 2B: 28.9 (#300), GPT-6 Luna: 54.7 (#24)
| Benchmark | Gemma 2B | GPT-6 Luna |
|---|---|---|
| LMArena Coding | 1010 | 1448 |
| DeepSWE | — | 66.6% |
| FrontierCode | — | 42.4% |
| LMArena WebDev | — | 1583 |
| HumanEval+ | 20.7% | — |
| MBPP+ | 34.1% | — |
Reasoning GPT-6 Luna leads
Gemma 2B: 17.9 (#275), GPT-6 Luna: 31.7 (#68)
| Benchmark | Gemma 2B | GPT-6 Luna |
|---|---|---|
| LMArena Hard Prompts | 989 | 1415 |
| NYT Connections (extended) | — | 68.7% |
| BIG-Bench Hard | 35.2% | — |
| Epoch Capabilities Index | 93.57 | — |
| HellaSwag | 71.4% | — |
| PIQA | 77.3% | — |
| WinoGrande | 65.4% | — |
Math GPT-6 Luna leads
Gemma 2B: 27.6 (#237), GPT-6 Luna: 35.6 (#140)
| Benchmark | Gemma 2B | GPT-6 Luna |
|---|---|---|
| LMArena Math | 1009 | 1396 |
| GSM8K | 17.7% | — |
Knowledge Not comparable
Gemma 2B: —, GPT-6 Luna: 40.1 (#110)
| Benchmark | Gemma 2B | GPT-6 Luna |
|---|---|---|
| LMArena Expert | — | 1458 |
| ARC (AI2) Challenge | 42.1% | — |
| BoolQ | 69.4% | — |
| MMLU | 42.3% | — |
| TriviaQA | 53.2% | — |
Multimodal Not comparable
Gemma 2B: —, GPT-6 Luna: 42.0 (#27)
| Benchmark | Gemma 2B | GPT-6 Luna |
|---|---|---|
| Furniture Assembly | — | 44.2% |
Multilingual GPT-6 Luna leads
Gemma 2B: 23.1 (#289), GPT-6 Luna: 51.0 (#111)
| Benchmark | Gemma 2B | GPT-6 Luna |
|---|---|---|
| LMArena Non-English | 958 | 1390 |
| LMArena Chinese | 986 | 1425 |
| LMArena Russian | 937 | 1392 |
| LMArena Spanish | — | 1416 |
Instruction Following GPT-6 Luna leads
Gemma 2B: 48.8 (#297), GPT-6 Luna: 74.7 (#85)
| Benchmark | Gemma 2B | GPT-6 Luna |
|---|---|---|
| LMArena Instruction Following | 971 | 1414 |
Long Context GPT-6 Luna leads
Gemma 2B: 29.9 (#286), GPT-6 Luna: 43.3 (#95)
| Benchmark | Gemma 2B | GPT-6 Luna |
|---|---|---|
| LMArena Longer Query | 981 | 1417 |
Writing & Preference GPT-6 Luna leads
Gemma 2B: 24.1 (#303), GPT-6 Luna: 58.4 (#115)
| Benchmark | Gemma 2B | GPT-6 Luna |
|---|---|---|
| LMArena Text | 1002 | 1392 |
| LMArena Creative Writing | 986 | 1357 |
| LMArena Multi-Turn | 945 | 1400 |
Frequently asked questions
Is Gemma 2B better than GPT-6 Luna?
GPT-6 Luna is the stronger model overall, scoring 45.1 to 29.1 on the Noometry Index.
Is Gemma 2B or GPT-6 Luna better for coding?
GPT-6 Luna scores higher on coding benchmarks: 54.7 versus 28.9 in the Noometry coding category.
How many benchmarks do Gemma 2B and GPT-6 Luna share?
11 benchmarks have published results for both models. Gemma 2B has 23 scored results on Noometry and GPT-6 Luna has 18.