Comprehensive side-by-side LLM comparison
Gemini 2.5 Pro Preview 06-05 leads with 2.0% higher average benchmark score. Gemini 2.5 Pro Preview 06-05 offers 586.1K more tokens in context window than GPT-5 mini. GPT-5 mini is $9.00 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
GPT-5 Mini was created as a more accessible version of GPT-5, designed to provide strong capabilities with improved efficiency and lower operational costs. Built to extend GPT-5's advancements to a broader range of applications, it balances advanced performance with practical deployment considerations.
2 months newer

Gemini 2.5 Pro Preview 06-05
2025-06-05

GPT-5 mini
OpenAI
2025-08-07
Cost per million tokens (USD)

Gemini 2.5 Pro Preview 06-05

GPT-5 mini
Context window and performance specifications
Average performance across 3 common benchmarks

Gemini 2.5 Pro Preview 06-05

GPT-5 mini
GPT-5 mini
2024-05-30
Gemini 2.5 Pro Preview 06-05
2025-01-31
Available providers and their performance metrics

Gemini 2.5 Pro Preview 06-05

GPT-5 mini

Gemini 2.5 Pro Preview 06-05

GPT-5 mini

Gemini 2.5 Pro Preview 06-05

GPT-5 mini
OpenAI
ZeroEval