OpenAI’s new ‘O’ series is a giant leap toward multimodal AI assistants

On April 16, 2025, OpenAI launched the ‘o’ series models, GPT-4o and its mini version, GPT-4o-mini, enhancing AI to work in multimodal capacities.

These models represent a shift towards AI assistants capable of observing and acting autonomously, allowing users to interact more naturally.

The release indicates a move towards AI native interfaces that could redefine technology interactions, influencing sectors reliant on voice bots and augmented reality.