# Gemma 2 27B vs o1-mini

> o1-mini is the stronger model overall, scoring 33.7 to 29.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-2-27b-vs-o1-mini
- Last updated: 2026-10-10
- Shared benchmarks: 29

## Summary

- They share 29 benchmarks with published results for both. Gemma 2 27B scores higher in 1 category and o1-mini in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where o1-mini leads 33.7 to 10.0.
- The biggest single-benchmark swing is MATH Level 5: 27.9% for Gemma 2 27B and 89.2% for o1-mini.
- Gemma 2 27B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 2 27B | o1-mini |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 29.2 | 33.7 |
| Rank | 302 | 230 |
| Context | 8K | — |
| Input $/M | $0.65 | — |
| Output $/M | $0.65 | — |
| Weights | Open | Proprietary |

## Coding

- Gemma 2 27B: 33.5 (#243)
- o1-mini: 35.1 (#218)

| Benchmark | Gemma 2 27B | o1-mini |
|---|---|---|
| LiveBench Coding | 36% | 48% |
| LMArena Coding | 1211 | 1362 |
| Aider Polyglot | — | 32.9% |
| WeirdML | — | 36.3% |
| BigCodeBench Instruct | 42.8% | — |
| BigCodeBench Complete | 52.5% | — |
| HumanEval+ | — | 89% |
| MBPP+ | — | 78.8% |

## Agentic & Tool Use

- Gemma 2 27B: —
- o1-mini: 24.3 (#112)

| Benchmark | Gemma 2 27B | o1-mini |
|---|---|---|
| Cybench | — | 10% |

## Reasoning

- Gemma 2 27B: 14.8 (#313)
- o1-mini: 8.9 (#340)

| Benchmark | Gemma 2 27B | o1-mini |
|---|---|---|
| LiveBench Reasoning | 28.1% | 72.3% |
| LMArena Hard Prompts | 1199 | 1333 |
| LiveBench Data Analysis | 47.9% | 57.9% |
| Epoch Capabilities Index | 122.06 | 135.82 |
| LiveBench | 38.2% | 57.8% |
| ARC-AGI-2 | — | 0.8% |
| SimpleBench | — | 18.1% |
| ARC-AGI-1 | — | 14% |
| DTBench | 48% | — |
| LMCA | 7.1% | — |

## Math

- Gemma 2 27B: 10.0 (#306)
- o1-mini: 33.7 (#168)

| Benchmark | Gemma 2 27B | o1-mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.4% | 46.9% |
| LiveBench Math | 26.5% | 62% |
| LMArena Math | 1212 | 1358 |
| MATH Level 5 | 27.9% | 89.2% |
| FrontierMath (Feb 2025 set) | — | 1.7% |

## Knowledge

- Gemma 2 27B: 18.9 (#275)
- o1-mini: 34.8 (#180)

| Benchmark | Gemma 2 27B | o1-mini |
|---|---|---|
| GPQA Diamond | 36.5% | 62.4% |
| Confabulations | 27.1% | 18.6% |
| LMArena Expert | 1172 | 1316 |
| MMLU | 75.7% | — |

## Multilingual

- Gemma 2 27B: 38.8 (#221)
- o1-mini: 43.8 (#177)

| Benchmark | Gemma 2 27B | o1-mini |
|---|---|---|
| LMArena Non-English | 1217 | 1289 |
| LMArena Chinese | 1221 | 1314 |
| LMArena French | 1246 | 1292 |
| LMArena German | 1209 | 1278 |
| LMArena Japanese | 1175 | 1245 |
| LMArena Korean | 1174 | 1223 |
| LMArena Russian | 1234 | 1283 |
| LMArena Spanish | 1228 | 1302 |

## Instruction Following

- Gemma 2 27B: 60.7 (#244)
- o1-mini: 67.0 (#200)

| Benchmark | Gemma 2 27B | o1-mini |
|---|---|---|
| LiveBench Instruction Following | 58.1% | 65.4% |
| LMArena Instruction Following | 1206 | 1304 |

## Long Context

- Gemma 2 27B: 37.3 (#213)
- o1-mini: 40.1 (#156)

| Benchmark | Gemma 2 27B | o1-mini |
|---|---|---|
| LMArena Longer Query | 1231 | 1321 |

## Writing & Preference

- Gemma 2 27B: 44.4 (#220)
- o1-mini: 48.6 (#196)

| Benchmark | Gemma 2 27B | o1-mini |
|---|---|---|
| LMArena Text | 1231 | 1317 |
| LMArena Creative Writing | 1241 | 1244 |
| LMArena Multi-Turn | 1224 | 1314 |
| LiveBench Language | 32.6% | 40.9% |
| Short-Story Creative Writing | — | 64.9% |

## FAQ

### Is Gemma 2 27B better than o1-mini?

o1-mini is the stronger model overall, scoring 33.7 to 29.2 on the Noometry Index.

### Is Gemma 2 27B or o1-mini better for coding?

o1-mini scores higher on coding benchmarks: 35.1 versus 33.5 in the Noometry coding category.

### How many benchmarks do Gemma 2 27B and o1-mini share?

29 benchmarks have published results for both models. Gemma 2 27B has 34 scored results on Noometry and o1-mini has 39.