Model comparison
Gemma 3 12B vs o1-mini
o1-mini is the stronger model overall, scoring 34.0 to 32.1 on the Noometry Index.
Last verified . 15 shared benchmarks.
GoogleSummary
- They share 15 benchmarks with published results for both. Gemma 3 12B scores higher in 4 categories and o1-mini in 5 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in math, where o1-mini leads 35.4 to 22.3.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 16.7% for Gemma 3 12B and 46.9% for o1-mini.
- Gemma 3 12B has downloadable open weights; the other is API-only.
Side by side
| Gemma 3 12B | o1-mini | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 32.1 | 34.0 |
| Released | 2025-03-12 | 2024-09-12 |
| Weights | Open | Proprietary |
| Context window | 131K | — |
| Max output | 8K | — |
| Input $ / M tokens | $0.05 | — |
| Output $ / M tokens | $0.15 | — |
| Results tracked | 24 | 39 |
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Category by category
Coding o1-mini leads
Gemma 3 12B: 31.7 (#280), o1-mini: 35.5 (#224)
| Benchmark | Gemma 3 12B | o1-mini |
|---|---|---|
| LMArena Coding | 1281 | 1362 |
| Aider Polyglot | — | 32.9% |
| SciCode | 17.4% | — |
| WeirdML | — | 36.3% |
| LiveBench Coding | — | 48% |
| HumanEval+ | — | 89% |
| MBPP+ | — | 78.8% |
Agentic & Tool Use Too close to call
Gemma 3 12B: 25.5 (#108), o1-mini: 24.6 (#118)
| Benchmark | Gemma 3 12B | o1-mini |
|---|---|---|
| Berkeley Function Calling Leaderboard | 30.4% | — |
| Cybench | — | 10% |
Reasoning Gemma 3 12B leads
Gemma 3 12B: 15.7 (#313), o1-mini: 8.8 (#346)
| Benchmark | Gemma 3 12B | o1-mini |
|---|---|---|
| LMArena Hard Prompts | 1309 | 1333 |
| Epoch Capabilities Index | 123.5 | 135.82 |
| ARC-AGI-2 | — | 0.8% |
| SimpleBench | — | 18.1% |
| ARC-AGI-1 | — | 14% |
| CritPt | 0% | — |
| Chess Puzzles | 0% | — |
| LiveBench Reasoning | — | 72.3% |
| DTBench | 48.8% | — |
| LiveBench Data Analysis | — | 57.9% |
| LMCA | 4.5% | — |
| LiveBench | — | 57.8% |
Math o1-mini leads
Gemma 3 12B: 22.3 (#279), o1-mini: 35.4 (#186)
| Benchmark | Gemma 3 12B | o1-mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 16.7% | 46.9% |
| LMArena Math | 1307 | 1358 |
| LiveBench Math | — | 62% |
| MATH Level 5 | — | 89.2% |
| FrontierMath (Feb 2025 set) | — | 1.7% |
Knowledge o1-mini leads
Gemma 3 12B: 26.5 (#257), o1-mini: 34.9 (#192)
| Benchmark | Gemma 3 12B | o1-mini |
|---|---|---|
| GPQA Diamond | 39.5% | 62.4% |
| LMArena Expert | 1248 | 1316 |
| Confabulations | — | 18.6% |
| Vectara Hallucination Rate | 4.4% | — |
Multimodal Not comparable
Gemma 3 12B: —, o1-mini: —
| Benchmark | Gemma 3 12B | o1-mini |
|---|---|---|
| MindCube | 46.7% | — |
Multilingual Gemma 3 12B leads
Gemma 3 12B: 45.7 (#165), o1-mini: 43.6 (#182)
| Benchmark | Gemma 3 12B | o1-mini |
|---|---|---|
| LMArena Non-English | 1318 | 1289 |
| LMArena German | 1370 | 1278 |
| LMArena Russian | 1335 | 1283 |
| LMArena Chinese | — | 1314 |
| LMArena French | — | 1293 |
| LMArena Japanese | — | 1245 |
| LMArena Korean | — | 1223 |
| LMArena Spanish | — | 1303 |
Instruction Following Gemma 3 12B leads
Gemma 3 12B: 68.6 (#186), o1-mini: 66.7 (#206)
| Benchmark | Gemma 3 12B | o1-mini |
|---|---|---|
| LMArena Instruction Following | 1299 | 1304 |
| LiveBench Instruction Following | — | 65.4% |
Long Context Too close to call
Gemma 3 12B: 40.0 (#162), o1-mini: 40.1 (#161)
| Benchmark | Gemma 3 12B | o1-mini |
|---|---|---|
| LMArena Longer Query | 1317 | 1320 |
Writing & Preference Too close to call
Gemma 3 12B: 47.5 (#209), o1-mini: 48.4 (#202)
| Benchmark | Gemma 3 12B | o1-mini |
|---|---|---|
| LMArena Text | 1334 | 1317 |
| LMArena Creative Writing | 1331 | 1244 |
| LMArena Multi-Turn | 1334 | 1314 |
| Short-Story Creative Writing | — | 64.9% |
| EQ-Bench Creative Writing | 1126 | — |
| LiveBench Language | — | 40.9% |
Frequently asked questions
Is Gemma 3 12B better than o1-mini?
o1-mini is the stronger model overall, scoring 34.0 to 32.1 on the Noometry Index.
Is Gemma 3 12B or o1-mini better for coding?
o1-mini scores higher on coding benchmarks: 35.5 versus 31.7 in the Noometry coding category.
How many benchmarks do Gemma 3 12B and o1-mini share?
15 benchmarks have published results for both models. Gemma 3 12B has 24 scored results on Noometry and o1-mini has 39.