GPT-5 vs Gemini: Inside 2025’s High-Stakes Frontier AI Showdown
Gemini Ultra achieved 90.0% on the MMLU benchmark, the first AI to exceed human expert performance. GPT-4 Omni (GPT-4o) was introduced by 2025, handling text, images, and audio with about 232 ms response times and powering the free ChatGPT tier in mid-2025. Claude Opus
