Character.AI

character.ai

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A platform for creating and chatting with AI personas, including user-created characters and well-known fictional or historical figures.

Why it is useful

The largest open platform for conversational AI character interaction, with a community-created library of hundreds of thousands of characters. Practical use cases include language learning through immersive conversation, creative writing roleplay, and entertainment. The underlying model is capable enough that character consistency is maintained through extended conversations.