Comprehensive side-by-side LLM comparison
Gemini 2.5 Pro leads with 31.8% higher average benchmark score. Gemini 2.5 Pro offers 969.7K more tokens in context window than GPT-4o. Gemini 2.5 Pro is $1.25 cheaper per million tokens. Overall, Gemini 2.5 Pro is the stronger choice for coding tasks.
Gemini 2.5 Pro was developed as Google's most intelligent AI model, designed to comprehend vast datasets and challenging problems from diverse information sources including text, audio, images, and video. Built to handle complex reasoning and multi-step problem solving, it represents Google's flagship offering for enterprise and advanced applications.
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 2.5 Pro
2025-05-20
Cost per million tokens (USD)

Gemini 2.5 Pro

GPT-4o
Context window and performance specifications
Average performance across 8 common benchmarks

Gemini 2.5 Pro

GPT-4o
Performance comparison across key benchmark categories

Gemini 2.5 Pro

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

Gemini 2.5 Pro
ZeroEval


Gemini 2.5 Pro

GPT-4o

Gemini 2.5 Pro

GPT-4o
GPT-4o
Azure
OpenAI