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It’s time for expressive voice AI in customer service

Integrate expressive and lifelike real-time AI voices into your customer experience with Inworld’s realistic text-to-speech (TTS). Inworld powers AI voice agents who actually sound human and respond with empathy to customer questions. Ditch the robotic voices with a TTS customer service solution that’s much more cost-efficient than other AI voices for customer service on the market.

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Why Inworld Voices?

Real-time text-to-speech (TTS) for customer service

  • Interactive AI: By integrating realistic sounding interactive AI in customer support and customer experience applications, you’ll get happier and more engaged customers – and lower customer service costs.   
  • Empathetic AI voice agents: Research shows that 67% of customers want AI voice agents that can dynamically adjust their tone. But most real-time TTS solutions don’t offer much emotional range. Get the advantage of empathetic AI with Inworld. 
  • Exclusive brand voice: Train a custom expressive text-to-speech model to be the exclusive voice of your brand with our custom voice training and cloning. 

Ways to use

Ways to integrate AI voice in customer service

  • Customer service Saas platforms: Offer AI customer experience and support solutions to brands? Add Inworld Voice and stand out with better, more cost-efficient real-time TTS voices.
  • Real-time text to speech API: Use our real-time AI voice API to power your customer conversations. 
  • Integrated with Inworld’s AI Engine: Use our AI Engine to power your AI customer service agents. Inworld Voice is included. 
  • Recordings: Choose from our extensive AI voice selection or get a custom AI cloned voice to record messages or notices.    

4 customer service use cases 

AI voice agents

Create a better AI voice customer service experience with voice agents that don’t sound like robots. 

Interactive voice response (IVR)

Get more lifelike IVR text-to-speech to help your customers serve themselves.  

Pre-recorded messages

Record messages for your customers in your own custom AI voice. 

Voice chatbots

Deploy a chatbot on your website with a realistic real-time AI voice to answer questions and make recommendations.

Demo: Inworld’s realistic text-to-speech

Find the right AI TTS voice for your brand.

Chatbots & Customer Service

Add a human touch to your AI chatbots to deliver empathetic and streamlined customer service. Get text to speech to automate call centers and more.

Jordan, Call Center Agent

Friendly and empathetic

Content Creation

Find standout voices that set you apart from the crowd with AI voices that you can use for TikTok text to speech and YouTube voiceovers.

Sarah, Beauty Influencer

Personable and authentic

AI Assistants & Applications

Upgrade user experiences across devices, from smart speakers to AI assistants, advanced AI voice capabilities that deliver personalized and human-like interactions.

Samantha, AI Assistant

Clear and trustworthy

The best TTS customer service solution

  • Ultra low latency: Inworld Voice boasts 250ms end-to-end 50pct latency for 6 seconds of audio generation. That’s faster than most real-time TTS for customer service alternatives.
  • Inworld value: You don’t need an expensive AI voice service to get realistic TTS for your customers. Inworld Voice is the most cost-efficient real-time expressive TTS solution on the market.
  • High quality: We created benchmarks to ensure the highest audio quality across five categories: generation accuracy, prosody, talking speed, expressiveness, and speaker similarity. 
  • Ethically trained: We used Creative Commons licensed datasets for our training data, as well as 20 hours of licensed audio from professional voice actors. 

Real-time voice API

AI voice cloning API

  • Easy integration: Integrate our TTS API using easy-to-use REST or gRPC APIs. Choose from either basic or JWT authentication – supported by extensive documentation.
  • Scalability and reliability: The Inworld Voice was built to handle large volumes of requests while generating uninterrupted real-time text-to-speech. 
  • Developer-friendly tools: Our helpful resources and tools simplify API integration and deployment.

AI voice cloning

Get a custom voice for your branded AI voice agent

  • Work with your spokesperson: License the voice of your existing spokesperson or mascot. We can create a custom voice model just for you. 
  • Custom training = better voices: Get higher quality voices with a custom cloned model over an online service that clones a voice in minutes.

Frequently asked questions

  • What multilingual voices are available? 

    Mandarin, Korean, and Japanese voices will be available soon and we'll be introducing support for more languages in the coming months. 

  • Will you have self-serve voice cloning? 

    Self-serve voice cloning is coming in the future. But, for the best results, we recommend our custom voice training, which is already available. Contact us here for more information.

  • How many hours of audio do you need for custom voice training? 

    We’re able to train a cloned model with just 20 minutes of provided audio, but we recommend providing more for optimal results.

  • How much does Inworld Voice cost? 

    We offer the first 100 daily requests free through our text-to-speech API. For additional pricing options tailored to your scale and application, please contact our team.

    If you wish to use Inworld voices alongside your implementation of AI agents with the Inworld Engine, refer to our standard platform licensing. Our voice pipeline is included at no extra cost with the Inworld Engine.

  • What is the best AI voice generator for customer service? 

    Inworld offers the best AI customer service and customer experience voice generator. We deliver the most expressive, cost-efficient, and high-quality voices.

    Key features of Inworld AI voices for customer service:

    • High-quality speech synthesis: By using advanced expressive text-to-speech models, Inworld creates natural and expressive speech.
    • Speech synthesis customization: Customize your audio with various voice options and adjustable settings.
    • Easy integration: Seamlessly integrate our TTS API into your customer service use case with user-friendly REST or gRPC APIs, supporting both basic and JWT authentication. Our comprehensive documentation ensures a smooth setup. You can also use Inworld Studio to power real-time customer experiences. 
    • Scalability and reliability: Built to handle the high volumes of requests typical of AI in customer service applications, our API ensures unparalleled speech synthesis with scalability and reliability.
    • Developer-friendly tools: Simplify the integration process and manage your account with our user-friendly developer portal and extensive resources.

  • What is TTS in IVR?

    TTS or text to speech in IVR (Interactive Voice Response) systems refers to the technology that converts written text into spoken words, allowing an IVR system to deliver verbal responses to callers. IVR text to speech models enable dynamic and personalized interactions where the system can read out information such as account details, menus, or responses to specific queries in real-time. TTS in IVR enhances the functionality of IVR systems by providing a more flexible and efficient way to communicate with users without needing pre-recorded messages for every possible interaction.

  • What is TTS in customer service? 

    TTS or text to speech in customer service refers to AI models that vocalize written text. AI voices in customer service allow automated systems to provide verbal responses to customer inquiries and enhance customer interactions through interactive voice response (IVR) systems, virtual assistants, and chatbots. TTS in customer service helps improve accessibility, reduce wait times, and provide consistent service. 

  • What is TTS in call centers? 

    TTS or text-to-speech in call centers is a technology that takes written text and transforms it into spoken words to allow automated systems to verbally communicate with customers. TTS in call centers is used to deliver information such as account updates, payment confirmations, and responses to frequently asked questions. TTS enhances call center operations by providing consistent, 24/7 service, reducing wait times, and improving the overall customer experience through efficient and clear communication.

  • What is TTS in chatbot? 

    TTS or text to speech in relation to chatbots refers to the technology that converts text responses generated by the chatbot into spoken words. TTS for chatbots allows them to interact with users through voice to provide a more engaging and accessible user experience. TTS enhances the functionality of chatbots by enabling them to deliver information audibly. This makes interactions more natural and effective – especially in hands-free or assistive contexts.

  • How do you implement TTS? 

    Implementing a text-to-speech API is easy. Typically, you have to complete the following steps: 

    • Sign-up for the API service 
    • Obtain an API key
    • Connect the API key with your application
    • Authenticate the API key
    • Make your first call to the API 
    • Synthesize speech

    That’s it! Implementing an API is easier than it sounds. Learn more about how to implement the Inworld Voice API here.