AI Voice Agents

Piper

Fast local neural text-to-speech engine

Piper is a fast, local neural text-to-speech engine. It runs on small devices such as the Raspberry Pi and ships voices for many languages in ONNX format.

ttsofflineonnxedge

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ElevenLabs

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Text-to-speech API and studio with many voices

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Amazon Polly

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AWS text-to-speech service

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Azure AI Speech Text to Speech

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Neural voices from Microsoft Azure

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Cartesia

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Low-latency speech models for realtime agents

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Coqui TTS (Idiap fork)

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Maintained fork of the Coqui TTS toolkit

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Fish Audio

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Text-to-speech and voice cloning platform

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