# Gemma 2 27B vs o1-pro

> o1-pro is the stronger model overall, scoring 31.5 to 29.4 on the Noometry Index. Gemma 2 27B costs 404× less per token, which makes it the better buy when o1-pro's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gemma-2-27b-vs-o1-pro
- Last updated: 2026-10-12
- Shared benchmarks: 0

## Summary

- The widest gap is in knowledge, where o1-pro leads 29.7 to 19.0.
- Gemma 2 27B is cheaper at $0.65 / $0.65 per million input/output tokens, against $150 / $600 for o1-pro.
- o1-pro accepts more context: 200K tokens versus 8K.
- Gemma 2 27B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 2 27B | o1-pro |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 29.4 | 31.5 |
| Rank | 312 | 271 |
| Context | 8K | 200K |
| Input $/M | $0.65 | $150 |
| Output $/M | $0.65 | $600 |
| Weights | Open | Proprietary |

## Coding

- Gemma 2 27B: 34.1 (#246)
- o1-pro: —

| Benchmark | Gemma 2 27B | o1-pro |
|---|---|---|
| BigCodeBench Instruct | 42.8% | — |
| LiveBench Coding | 36% | — |
| LMArena Coding | 1211 | — |
| BigCodeBench Complete | 52.5% | — |

## Reasoning

- Gemma 2 27B: 15.3 (#315)
- o1-pro: 20.4 (#239)

| Benchmark | Gemma 2 27B | o1-pro |
|---|---|---|
| ARC-AGI-1 | — | 23.3% |
| EnigmaEval | — | 6.1% |
| LiveBench Reasoning | 28.1% | — |
| LMArena Hard Prompts | 1198 | — |
| DTBench | 48% | — |
| LiveBench Data Analysis | 47.9% | — |
| LMCA | 7.1% | — |
| Epoch Capabilities Index | 122.08 | — |
| LiveBench | 38.2% | — |

## Math

- Gemma 2 27B: 10.7 (#311)
- o1-pro: —

| Benchmark | Gemma 2 27B | o1-pro |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.4% | — |
| LiveBench Math | 26.5% | — |
| LMArena Math | 1212 | — |
| MATH Level 5 | 27.9% | — |

## Knowledge

- Gemma 2 27B: 19.0 (#280)
- o1-pro: 29.7 (#234)

| Benchmark | Gemma 2 27B | o1-pro |
|---|---|---|
| GPQA Diamond | 36.5% | — |
| Humanity's Last Exam | — | 8.1% |
| Confabulations | 27.1% | — |
| LMArena Expert | 1172 | — |
| MMLU | 75.7% | — |

## Multilingual

- Gemma 2 27B: 38.6 (#226)
- o1-pro: —

| Benchmark | Gemma 2 27B | o1-pro |
|---|---|---|
| LMArena Non-English | 1217 | — |
| LMArena Chinese | 1221 | — |
| LMArena French | 1247 | — |
| LMArena German | 1209 | — |
| LMArena Japanese | 1175 | — |
| LMArena Korean | 1174 | — |
| LMArena Russian | 1234 | — |
| LMArena Spanish | 1228 | — |

## Instruction Following

- Gemma 2 27B: 60.5 (#249)
- o1-pro: —

| Benchmark | Gemma 2 27B | o1-pro |
|---|---|---|
| LiveBench Instruction Following | 58.1% | — |
| LMArena Instruction Following | 1206 | — |

## Long Context

- Gemma 2 27B: 37.3 (#218)
- o1-pro: —

| Benchmark | Gemma 2 27B | o1-pro |
|---|---|---|
| LMArena Longer Query | 1231 | — |

## Writing & Preference

- Gemma 2 27B: 44.2 (#225)
- o1-pro: —

| Benchmark | Gemma 2 27B | o1-pro |
|---|---|---|
| LMArena Text | 1231 | — |
| LMArena Creative Writing | 1241 | — |
| LMArena Multi-Turn | 1224 | — |
| LiveBench Language | 32.6% | — |

## FAQ

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

o1-pro is the stronger model overall, scoring 31.5 to 29.4 on the Noometry Index. Gemma 2 27B costs 404× less per token, which makes it the better buy when o1-pro's lead doesn't matter for your workload.

### Which is cheaper, Gemma 2 27B or o1-pro?

Gemma 2 27B is cheaper. It lists at $0.65 per million input tokens and $0.65 per million output tokens; o1-pro lists at $150 and $600.

### Which has the bigger context window?

o1-pro does, with 200K tokens against 8K.

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

0 benchmarks have published results for both models. Gemma 2 27B has 34 scored results on Noometry and o1-pro has 3.