Comprehensive side-by-side LLM comparison
o1-preview leads with 19.9% higher average benchmark score. Gemma 3 27B offers 101.4K more tokens in context window than o1-preview. Gemma 3 27B is $74.70 cheaper per million tokens. Gemma 3 27B supports multimodal inputs. Overall, o1-preview is the stronger choice for coding tasks.
Gemma 3 27B represents the largest variant in the Gemma 3 family, developed to provide flagship-level open-source capabilities. Built with advanced training methodologies and 27 billion parameters, it offers researchers and developers access to powerful language understanding without proprietary restrictions.
OpenAI
o1-preview was introduced as an early version of OpenAI's reasoning model series, designed to demonstrate the potential of AI models that engage in extended thinking before responding. Built to solve complex problems through deliberate reasoning processes, it represented an initial step toward more thoughtful and analytical AI systems.
6 months newer

o1-preview
OpenAI
2024-09-12

Gemma 3 27B
2025-03-12
Cost per million tokens (USD)

Gemma 3 27B

o1-preview
Context window and performance specifications
Average performance across 3 common benchmarks

Gemma 3 27B

o1-preview
Available providers and their performance metrics

Gemma 3 27B
DeepInfra
Novita


Gemma 3 27B

o1-preview

Gemma 3 27B

o1-preview
o1-preview
Azure
OpenAI