Comprehensive side-by-side LLM comparison
GPT-4o leads with 20.0% higher average benchmark score. GPT-4o supports multimodal inputs. GPT-4o is available on 2 providers. Overall, GPT-4o 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
This updated version of GPT-4o was released with refinements to its multimodal capabilities and improved performance across text, vision, and audio tasks. Built to incorporate learnings from the initial GPT-4o deployment, it enhanced reliability and accuracy while maintaining the seamless cross-modal reasoning that defines the GPT-4o family.
9 months newer

GPT-4o
OpenAI
2024-08-06

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

Gemini Diffusion

GPT-4o
Performance comparison across key benchmark categories

Gemini Diffusion

GPT-4o
Available providers and their performance metrics

Gemini Diffusion

GPT-4o
Azure

Gemini Diffusion

GPT-4o

Gemini Diffusion

GPT-4o
OpenAI