Insight Engine

AI Engine Text-To-Speech (TTS)

New! Support for Inworld TTS with 1-shot voice cloning:

Support for Fish Audio models with 1-shot voice cloning:

OpenAI text-to-speech for general use:

[tts_voice_selector id=”chatbot-openai-tts” text=”Voice” default=”nova” voices=”Nova:nova,Fable:fable,Alloy:alloy,Echo:echo,Onyx:onyx,Shimmer:shimmer”]

Deepgram text-to-speech for customer service:

[tts_voice_selector id=”chatbot-deepgram-tts” text=”Voice” default=”aura-2-thalia-en” voices=”Thalia (American – Feminine):aura-2-thalia-en, Andromeda (American – Feminine):aura-2-andromeda-en, Helena (American – Feminine):aura-2-helena-en, Apollo (American – Masculine):aura-2-apollo-en, Arcas (American – Masculine):aura-2-arcas-en, Aries (American – Masculine):aura-2-aries-en”]

Orpheus text-to-speech for natural conversation:

Premium text-to-speech with Cartesia, offering 1-shot voice cloning:

It supports forms too! Here’s an OpenAI form demo instructed to whisper:

[tts_form id=”mwai-openai-form” type=”openai” voice='{“model”: “gpt-4o-mini-tts”, “voice”: “alloy”, “instructions”: “Whisper and speak slowly and quietly.”}’]

This plugin is an all-in-one consolidation of my previous plugins, which includes OpenAI, Google, Deepgram, ElevenLabs, Cartesia, and Azure Text-To-Speech (TTS). Click the microphone and start talking!

Enhancement:

  • AI Engine’s default speech recognition has been modified for a conversational experience. Text is automatically sent after you finish speaking, with an option for the microphone to stay on for continuous interaction.
  • OpenAI Whisper and Deepgram Nova 2+ support for enhanced transcription and wider browser support.

  • See here for another demo of the OpenAI Text-To-Speech.
  • See here for a demo of the Deepgram Text-To-Speech.
OpenAI TTS costs about $1.00 per hour of audio which is around the same price as Azure. See pricing.
Azure TTS offers 0.5 million characters free per month which is around 8 hours of audio. See pricing.

Inworld costs ~$0.30 per hour.

Fish Audio costs ~$0.80 per hour.

Orpheus costs ~$0.35 per hour from DeepInfra.

Cartesia costs ~$2.35 per hour.

Deepgram costs ~$1.60 per hour for TTS and $0.50 per hour for STT while offering a 50% discount for both if you opt-in to their Model Improvement Program. In short, they will train their TTS/STT models on your data. A setting is available to opt-in.

Text-to-speech also works in popup chatbots:

This is a premium plugin, so please contact me if you’d like to purchase it for a one-time payment of $75 USD.

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