Release notes

This version, released on March 4, 2025, adds pricing information for the Agora Conversational AI Engine. For more information, see Pricing.

To achieve the best conversation experience, use Agora Conversational AI Engine with the following Agora SDKs:

• Agora RTC Native SDK, v4.5.1 or later.
• Agora RTC Web SDK, version 4.23.2 or later.

• Live subtitles: Supports real-time text output of conversations between users and the AI agent for subtitle display in your app's UI. Agora provides an open-source subtitle processing module. Simply integrate the module and call its API to implement live subtitles. For details, see Display live subtitles.

• Message Notification Service: Introduces a new Conversational AI Engine message notification service. Configure it in the Agora console and subscribe to agent creation, stop, and error events. When a subscribed event occurs, Agora sends the details to your specified callback address. See Receive event notifications.

• Keywords: Enhances recognition accuracy of Conversational AI Engine for proprietary words by adding keywords. This feature is currently in Beta stage. For details, contact technical support.

This version was released on February 18, 2025. The first beta release of the Conversational AI Engine brings natural, smooth, low-latency, and highly reliable real-time voice conversations with AI agents to Agora channels. It enables you to efficiently build intelligent and immersive interactive experiences. See Product overview for details.

• Real-time voice conversation

  Supports natural and smooth real-time voice conversations with AI. It delivers a low-latency, ultra-responsive interactive experience as if the user is communicating with a real person.

• Intelligent noise suppression

  Intelligently identifies and suppresses background noise, ensuring clear sound transmission even in noisy environments to provide users with a high-quality audio experience.

• Background human voice suppression

  Suppresses background voices and noise while accurately preserving the primary speaker's voice. This ensures a clear and focused interactive experience in multi-speaker environments.

• Intelligent interruption handling

  Allows users to interrupt AI at any time to ensure quick and natural responses. This feature enables smooth transitions and avoids mechanical interactions.

• Intelligent transmission

  An AI-optimized transmission algorithm ensures stable voice data delivery even in weak network conditions where packet loss reaches 80%. This guarantees conversation continuity and reliability across diverse network environments.

• Flexible arrangement

  Supports multiple Large Language Model (LLM) and Text-to-Speech (TTS) providers, enabling flexible orchestration to meet diverse business needs and deliver highly customizable AI dialogue solutions.

• Multi-platform support

  Compatible with iOS, Android, Web, and various embedded hardware platforms, providing a seamless and consistent cross-platform experience.

• For the best conversational experience, Agora recommends using Conversational AI Engine with specific Agora Video/Voice SDK versions. For details, contact technical support.

• The number of Peak Concurrent Users (PCU) allowed to call the server API under a single App ID is limited to 20. If you need to increase this limit, please contact technical support.