Comprehensive side-by-side LLM comparison
Gemini 2.5 Pro Preview 06-05 leads with 11.5% higher average benchmark score. Gemini 2.5 Pro Preview 06-05 offers 814.1K more tokens in context window than o1. Gemini 2.5 Pro Preview 06-05 is $63.75 cheaper per million tokens. Gemini 2.5 Pro Preview 06-05 supports multimodal inputs. 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
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 Preview 06-05
2025-06-05
Cost per million tokens (USD)

Gemini 2.5 Pro Preview 06-05

o1
Context window and performance specifications
Average performance across 4 common benchmarks

Gemini 2.5 Pro Preview 06-05

o1
Performance comparison across key benchmark categories

Gemini 2.5 Pro Preview 06-05

o1
Gemini 2.5 Pro Preview 06-05
2025-01-31
Available providers and their performance metrics

Gemini 2.5 Pro Preview 06-05

o1

Gemini 2.5 Pro Preview 06-05

o1

Gemini 2.5 Pro Preview 06-05

o1
Azure
OpenAI