Gemma 4 12B vs o1-pro
Gemma 4 12B and o1-pro are closely matched at 22.0 and 19.7 on the LLM Stats Score.
Google · OpenAI · Updated for 2026
Which is better?
Gemma 4 12B and o1-pro are closely matched on the overall LLM Stats Score at 22.0 and 19.7.
In the 1 individual benchmarks reported for both models, o1-pro wins 1; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Gemma 4 12B
- you want the most recent training data — it shipped May 2026
- you need open weights you can self-host or fine-tune
Choose o1-pro
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
At a glance
The differences that matter most.
Individual benchmarks
15 reported for Gemma 4 12B · 2 for o1-pro
Gemma 4 12B outperforms in 0 benchmarks, while o1-pro is better at 1 benchmark (GPQA).
o1-pro significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Input capabilities
Documented input modalities across available providers
Both Gemma 4 12B and o1-pro support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemma 4 12B
o1-pro
License
Usage and distribution terms
Gemma 4 12B is licensed under Apache 2.0, while o1-pro uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
Apache 2.0
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
Gemma 4 12B was released on 2026-05-23, while o1-pro was released on 2024-12-17.
Gemma 4 12B is 17 months newer than o1-pro.
May 23, 2026
3 months ago
1.4yr newerDec 17, 2024
1.7 years ago
Knowledge Cutoff
When training data ends
Gemma 4 12B has a knowledge cutoff of 2025-01-01, while o1-pro has a cutoff of 2023-09-30.
Gemma 4 12B has more recent training data (up to 2025-01-01), making it potentially better informed about events through that date compared to o1-pro (2023-09-30).
Jan 2025
1.3 yr newerSep 2023
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemma 4 12B and o1-pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemma 4 12B vs o1-pro.