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# How many voices can I use in an audiobook?

You can use as many voices as needed for your audiobook. The Voice Library includes over 10,000 voices across 90+ languages, and you can also clone your own voice for narration or character voices.

For Character Casting, the current limit is up to 150 detected voices per book.

> ElevenLabs provides APIs and SDKs for text to speech, voice cloning, speech to text, sound effects, voice isolator, voice changer, and conversational AI agents. Build voice-enabled applications with lifelike audio generation.