OpenAI’s New GPT-Realtime Voice API for Business Automation
Source: OpenAI OpenAI has officially launched GPT-Realtime and the revamped Realtime API, offering a powerful, all-in-one speech-to-speech model designed to transform voice-based interactions in business applications. The update marks the shift to general availability, dropping the need for separate speech-to-text and text-to-speech chains and introducing Features like image input, SIP phone calling, and access to external tools. The new offering is optimised for real-world use, improving response naturalness while streamlining integration for customer support, assistants, and educational platforms. The Realtime API is officially out of beta and ready for your production voice agents! We’re also introducing gpt-realtime—our most advanced speech-to-speech model yet—plus new voices and API capabilities: Remote MCPs ️ Image input SIP phone calling ️ Reusable prompts pic.twitter.com/fX5yvt0CDD — OpenAI Developers (@OpenAIDevs) August 28, 2025 What Is GPT-Realt...