Gemma 2 27B vs o1-pro
o1-pro leads the LLM Stats Score 19.8 to -0.6.
Google · OpenAI · Updated for 2026
Which is better?
o1-pro leads the overall LLM Stats Score 19.8 to -0.6, ranking #197 overall.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Gemma 2 27B
- you need open weights you can self-host or fine-tune
Choose o1-pro
- overall performance matters — it scores 19.8 and ranks #197 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you want the most recent training data — it shipped Dec 2024
At a glance
The differences that matter most.
Individual benchmarks
16 reported for Gemma 2 27B · 2 for o1-pro
Gemma 2 27B and o1-prodon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Input capabilities
Documented input modalities across available providers
o1-pro supports multimodal inputs, whereas Gemma 2 27B does not.
o1-pro can handle both text and other forms of data like images, making it suitable for multimodal applications.
Gemma 2 27B
o1-pro
License
Usage and distribution terms
Gemma 2 27B is licensed under Gemma, while o1-pro uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
Gemma
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
Gemma 2 27B was released on 2024-06-27, while o1-pro was released on 2024-12-17.
o1-pro is 6 months newer than Gemma 2 27B.
Jun 27, 2024
2.2 years ago
Dec 17, 2024
1.7 years ago
5mo newerKnowledge Cutoff
When training data ends
o1-pro has a documented knowledge cutoff of 2023-09-30, while Gemma 2 27B's cutoff date is not specified.
We can confirm o1-pro's training data extends to 2023-09-30, but cannot make a direct comparison without Gemma 2 27B's cutoff date.
—
Sep 2023
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemma 2 27B and o1-pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemma 2 27B vs o1-pro.