GPT Realtime vs TTS Voice Agents: Why Speech-to-Speech Changes Everything
Voice technology has evolved rapidly over the last few years. Businesses are no longer satisfied with robotic phone systems that frustrate customers and create disconnected experiences. Today, companies are turning to AI voice agents to deliver faster, more natural, and more engaging conversations. However, not all voice technologies work the same way. Many traditional systems still rely on a Text-to-Speech (TTS) workflow, while newer speech-to-speech models powered by GPT Realtime technology are redefining how voice automation works. Understanding the difference between these approaches is essential for businesses that want to improve customer interactions and stay ahead of the competition. How Traditional TTS Voice Agents Work Most voice automation systems follow a multi-step process: The customer speaks. Speech is converted into text. The AI processes the text. A text response is generated. The response is converted back into speech. While this process works, every step introduces ...