What Is an AI Companion?
An AI companion is a virtual character, powered by a conversational AI model, that you can text, talk to, and exchange images with as if it were a real relationship. Unlike a scripted chatbot, an AI companion holds real-time conversations, remembers what you tell it, and adapts its personality to each person. The best AI companion apps also let you exchange voice messages and generate images and video.
How does an AI companion work?
An AI companion runs on a large language model with memory. When you send a message, the model reads the full context of your chat — including what it remembers about you — and replies in character. The same system can generate matching voice, photos and short video, so the experience stays consistent across formats. Over time it learns your preferences, so conversations get more personal.
What can you use an AI companion for?
- Everyday conversation and company whenever you want it
- Romance, flirting or an AI girlfriend / AI boyfriend dynamic
- Roleplay and storytelling, where you set the scene and the AI stays in character
- A low-pressure way to talk, unwind or practise conversation
Are AI companions based on real people?
Some are. ‘Digital twins’ are official AI versions of real creators, built with their participation under a licensing agreement. Others are original fictional characters. A reputable platform never uses unauthorised or non-consensual likenesses. OhChat, for example, offers licensed digital twins alongside original AI characters.
Where to try one
If you'd like to see how it works, you can chat with an AI companion on OhChat across text, voice, image and video, with a free tier to start.