Comprehensive side-by-side LLM comparison
o1-preview leads with 25.6% higher average benchmark score. o1-preview is available on 2 providers. Overall, o1-preview is the stronger choice for coding tasks.
Gemini Diffusion was developed as a specialized model for image generation, designed to create high-quality visual content through diffusion-based techniques. Built to complement the text and multimodal capabilities of the Gemini family, it extends Google's AI capabilities into creative visual generation tasks.
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.
8 months newer

o1-preview
OpenAI
2024-09-12

Gemini Diffusion
2025-05-20
Context window and performance specifications
Average performance across 2 common benchmarks

Gemini Diffusion

o1-preview
Performance comparison across key benchmark categories

Gemini Diffusion

o1-preview
Available providers and their performance metrics

Gemini Diffusion

o1-preview
Azure

Gemini Diffusion

o1-preview

Gemini Diffusion

o1-preview
OpenAI