GPT-4o vs Gemini 2.5 Pro
GPT-4o for native voice; Gemini for extreme context length and video.
GPT-4o
The omni model. Text, image, audio natively in one system. Speed doubled vs. GPT-4.
Use this when
Voice mode, real-time audio, OpenAI ecosystem.
Full profile →Gemini 2.5 Pro
Google's reasoning flagship. Two-million-token context, native multimodal, the only frontier model that reads PDFs without an extraction pre-pass.
Use this when
Documents over 200K tokens, video analysis, multimodal breadth.
Full profile →Cost comparison
GPT-4o $2.50/$10 per M; Gemini $1.25/$10 per M (doubles past 200K).