Comprehensive side-by-side LLM comparison
Gemini 2.5 Pro Preview 06-05 leads with 7.4% higher average benchmark score. 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-pro was developed as an enhanced version of the o1 reasoning model, designed to provide extended reasoning capabilities with greater depth and reliability. Built for professionals and advanced users tackling complex analytical tasks, it offers enhanced thinking time and reasoning quality for the most demanding applications.
5 months newer

o1-pro
OpenAI
2024-12-17

Gemini 2.5 Pro Preview 06-05
2025-06-05
Context window and performance specifications
Average performance across 1 common benchmarks

Gemini 2.5 Pro Preview 06-05

o1-pro
o1-pro
2023-09-30
Gemini 2.5 Pro Preview 06-05
2025-01-31
Available providers and their performance metrics

Gemini 2.5 Pro Preview 06-05

o1-pro

Gemini 2.5 Pro Preview 06-05

o1-pro

Gemini 2.5 Pro Preview 06-05

o1-pro