Comprehensive side-by-side LLM comparison
Gemini 2.5 Pro Preview 06-05 leads with 3.3% higher average benchmark score. Gemini 2.5 Pro Preview 06-05 offers 814.1K more tokens in context window than o4-mini. o4-mini is $5.75 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
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
o4-mini was created as part of the next generation of OpenAI's reasoning models, designed to continue advancing the balance between analytical capability and operational efficiency. Built to bring cutting-edge reasoning techniques to applications requiring quick turnaround, it represents the evolution of compact reasoning-focused models.
1 month newer

o4-mini
OpenAI
2025-04-16

Gemini 2.5 Pro Preview 06-05
2025-06-05
Cost per million tokens (USD)

Gemini 2.5 Pro Preview 06-05

o4-mini
Context window and performance specifications
Average performance across 6 common benchmarks

Gemini 2.5 Pro Preview 06-05

o4-mini
Performance comparison across key benchmark categories

Gemini 2.5 Pro Preview 06-05

o4-mini
o4-mini
2024-05-31
Gemini 2.5 Pro Preview 06-05
2025-01-31
Available providers and their performance metrics

Gemini 2.5 Pro Preview 06-05

o4-mini

Gemini 2.5 Pro Preview 06-05

o4-mini

Gemini 2.5 Pro Preview 06-05

o4-mini
OpenAI