Comprehensive side-by-side LLM comparison
Gemini 2.5 Pro leads with 10.1% higher average benchmark score. Gemini 2.5 Pro offers 814.1K more tokens in context window than o1. Gemini 2.5 Pro is $63.75 cheaper per million tokens. Gemini 2.5 Pro supports multimodal inputs. 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
o1 was developed as part of OpenAI's reasoning-focused model series, designed to spend more time thinking before responding. Built to excel at complex reasoning tasks in science, coding, and mathematics, it employs extended internal reasoning processes to solve harder problems than traditional language models through careful step-by-step analysis.
5 months newer

o1
OpenAI
2024-12-17

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

Gemini 2.5 Pro

o1
Context window and performance specifications
Average performance across 5 common benchmarks

Gemini 2.5 Pro

o1
Performance comparison across key benchmark categories

Gemini 2.5 Pro

o1
Gemini 2.5 Pro
2025-01-31
Available providers and their performance metrics

Gemini 2.5 Pro
ZeroEval


Gemini 2.5 Pro

o1

Gemini 2.5 Pro

o1
o1
Azure
OpenAI