Comprehensive side-by-side LLM comparison
Gemini 2.5 Pro leads with 47.3% higher average benchmark score. Gemini 2.5 Pro offers 1.0M more tokens in context window than GPT-4. Gemini 2.5 Pro is $78.75 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
GPT-4 was created as a large multimodal model capable of accepting image and text inputs while producing text outputs. Developed to exhibit human-level performance on various professional and academic benchmarks, it marked a significant advancement in reliability, creativity, and handling of nuanced instructions compared to its predecessors.
1 year newer

GPT-4
OpenAI
2023-06-13

Gemini 2.5 Pro
2025-05-20
Cost per million tokens (USD)

Gemini 2.5 Pro

GPT-4
Context window and performance specifications
Average performance across 1 common benchmarks

Gemini 2.5 Pro

GPT-4
GPT-4
2022-12-31
Gemini 2.5 Pro
2025-01-31
Available providers and their performance metrics

Gemini 2.5 Pro
ZeroEval


Gemini 2.5 Pro

GPT-4

Gemini 2.5 Pro

GPT-4
GPT-4
Azure
OpenAI