Comprehensive side-by-side LLM comparison
Gemini 2.5 Pro Preview 06-05 leads with 23.7% higher average benchmark score. Gemini 2.5 Pro Preview 06-05 offers 969.7K more tokens in context window than GPT-4o. Gemini 2.5 Pro Preview 06-05 is $1.25 cheaper per million tokens. Overall, Gemini 2.5 Pro Preview 06-05 is the stronger choice for coding tasks.
Gemini 2.5 Pro Preview was released as an early access version of Gemini 2.5 Pro, designed to allow developers and enterprises to experiment with next-generation capabilities before general availability. Built to gather feedback and demonstrate upcoming features, it provided a window into the evolution of Google's flagship model.
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.
10 months newer

GPT-4o
OpenAI
2024-08-06

Gemini 2.5 Pro Preview 06-05
2025-06-05
Cost per million tokens (USD)

Gemini 2.5 Pro Preview 06-05

GPT-4o
Context window and performance specifications
Average performance across 7 common benchmarks

Gemini 2.5 Pro Preview 06-05

GPT-4o
Performance comparison across key benchmark categories

Gemini 2.5 Pro Preview 06-05

GPT-4o
Gemini 2.5 Pro Preview 06-05
2025-01-31
Available providers and their performance metrics

Gemini 2.5 Pro Preview 06-05

GPT-4o

Gemini 2.5 Pro Preview 06-05

GPT-4o

Gemini 2.5 Pro Preview 06-05

GPT-4o
Azure
OpenAI