# Gemma 3 27B vs o1-mini

> o1-mini is the stronger model overall, scoring 34.0 to 30.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-3-27b-vs-o1-mini
- Last updated: 2026-10-10
- Shared benchmarks: 31

## Summary

- They share 31 benchmarks with published results for both. Gemma 3 27B scores higher in 5 categories and o1-mini in 4 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where o1-mini leads 35.5 to 22.5.
- The biggest single-benchmark swing is LiveBench Reasoning: 43.8% for Gemma 3 27B and 72.3% for o1-mini.
- Gemma 3 27B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 3 27B | o1-mini |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 30.8 | 34.0 |
| Rank | 284 | 235 |
| Context | 131K | — |
| Input $/M | $0.08 | — |
| Output $/M | $0.16 | — |
| Weights | Open | Proprietary |

## Coding

- Gemma 3 27B: 22.5 (#334)
- o1-mini: 35.5 (#224)

| Benchmark | Gemma 3 27B | o1-mini |
|---|---|---|
| Aider Polyglot | 4.9% | 32.9% |
| LiveBench Coding | 39.9% | 48% |
| LMArena Coding | 1322 | 1362 |
| SciCode | 21.2% | — |
| WeirdML | — | 36.3% |
| HumanEval+ | — | 89% |
| MBPP+ | — | 78.8% |

## Agentic & Tool Use

- Gemma 3 27B: 25.1 (#110)
- o1-mini: 24.6 (#118)

| Benchmark | Gemma 3 27B | o1-mini |
|---|---|---|
| Berkeley Function Calling Leaderboard | 29.5% | — |
| Cybench | — | 10% |

## Reasoning

- Gemma 3 27B: 16.7 (#301)
- o1-mini: 8.8 (#346)

| Benchmark | Gemma 3 27B | o1-mini |
|---|---|---|
| LiveBench Reasoning | 43.8% | 72.3% |
| LMArena Hard Prompts | 1340 | 1333 |
| LiveBench Data Analysis | 51.5% | 57.9% |
| Epoch Capabilities Index | 130.04 | 135.82 |
| LiveBench | 50% | 57.8% |
| ARC-AGI-2 | — | 0.8% |
| SimpleBench | — | 18.1% |
| Kagi LLM Benchmark | 40.4% | — |
| ARC-AGI-1 | — | 14% |
| CritPt | 0% | — |
| Chess Puzzles | 0% | — |
| DTBench | 52.5% | — |
| LMCA | 12.3% | — |

## Math

- Gemma 3 27B: 25.9 (#265)
- o1-mini: 35.4 (#186)

| Benchmark | Gemma 3 27B | o1-mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 22.5% | 46.9% |
| LiveBench Math | 55.4% | 62% |
| LMArena Math | 1312 | 1358 |
| MATH Level 5 | 74% | 89.2% |
| FrontierMath (Feb 2025 set) | — | 1.7% |

## Knowledge

- Gemma 3 27B: 25.5 (#261)
- o1-mini: 34.9 (#192)

| Benchmark | Gemma 3 27B | o1-mini |
|---|---|---|
| GPQA Diamond | 47.7% | 62.4% |
| Confabulations | 40.3% | 18.6% |
| LMArena Expert | 1304 | 1316 |
| Vectara Hallucination Rate | 7.4% | — |

## Multimodal

- Gemma 3 27B: 32.6 (#100)
- o1-mini: —

| Benchmark | Gemma 3 27B | o1-mini |
|---|---|---|
| LMArena Vision | 1164 | — |
| GeoBench | 52% | — |

## Multilingual

- Gemma 3 27B: 46.9 (#155)
- o1-mini: 43.6 (#182)

| Benchmark | Gemma 3 27B | o1-mini |
|---|---|---|
| LMArena Non-English | 1334 | 1289 |
| LMArena Chinese | 1346 | 1314 |
| LMArena French | 1368 | 1293 |
| LMArena German | 1362 | 1278 |
| LMArena Japanese | 1287 | 1245 |
| LMArena Korean | 1308 | 1223 |
| LMArena Russian | 1349 | 1283 |
| LMArena Spanish | 1349 | 1303 |

## Instruction Following

- Gemma 3 27B: 70.6 (#160)
- o1-mini: 66.7 (#206)

| Benchmark | Gemma 3 27B | o1-mini |
|---|---|---|
| LiveBench Instruction Following | 74.9% | 65.4% |
| LMArena Instruction Following | 1321 | 1304 |

## Long Context

- Gemma 3 27B: 27.6 (#293)
- o1-mini: 40.1 (#161)

| Benchmark | Gemma 3 27B | o1-mini |
|---|---|---|
| LMArena Longer Query | 1333 | 1320 |
| Fiction.LiveBench | 33.3% | — |

## Writing & Preference

- Gemma 3 27B: 52.5 (#168)
- o1-mini: 48.4 (#202)

| Benchmark | Gemma 3 27B | o1-mini |
|---|---|---|
| LMArena Text | 1358 | 1317 |
| LMArena Creative Writing | 1346 | 1244 |
| Short-Story Creative Writing | 79.9% | 64.9% |
| LMArena Multi-Turn | 1345 | 1314 |
| LiveBench Language | 34.6% | 40.9% |
| EQ-Bench Creative Writing | 1266 | — |

## FAQ

### Is Gemma 3 27B better than o1-mini?

o1-mini is the stronger model overall, scoring 34.0 to 30.8 on the Noometry Index.

### Is Gemma 3 27B or o1-mini better for coding?

o1-mini scores higher on coding benchmarks: 35.5 versus 22.5 in the Noometry coding category.

### How many benchmarks do Gemma 3 27B and o1-mini share?

31 benchmarks have published results for both models. Gemma 3 27B has 43 scored results on Noometry and o1-mini has 39.