OpenAI to Host GPT-Realtime-1.5 Build Hour for Voice Agent Development
Live event today demonstrates building low-latency conversational AI using OpenAI's flagship speech-to-speech model.
OpenAI is hosting a specialized 'Build Hour' event today, April 15, 2026, focused on empowering developers to build next-generation voice agents. The session centers on GPT-Realtime-1.5, OpenAI's flagship speech-to-speech model designed for natural, fluid conversation. The online event promises live, practical demonstrations, moving beyond theoretical concepts to show developers the concrete steps for creating agents with minimal latency—a critical factor for realistic user interaction.
Attendees will gain hands-on insight into integrating GPT-Realtime-1.5 into applications, learning how to leverage its capabilities for creating responsive conversational AI. This event signals OpenAI's continued push to make advanced AI more accessible and actionable for developers, specifically in the competitive domain of real-time voice interfaces. It provides a direct channel for the developer community to engage with the model's architecture and best practices, potentially accelerating the development of voice-enabled assistants, customer service bots, and interactive entertainment.
- Event Date: Live online 'Build Hour' hosted today, April 15, 2026.
- Core Technology: Focus on building with OpenAI's GPT-Realtime-1.5 speech-to-speech model.
- Key Goal: Teach developers to create natural, low-latency conversational AI agents through live demos.
Why It Matters
Lowers the barrier to creating competitive, real-time voice AI, accelerating development of more natural human-computer interfaces.