OPUS is a lossy audio codec that provides high-quality sound at low bit rates. It is ideal for real-time communication, such as voice and video calls, and for streaming. OPUS is supported by many modern browsers and applications due to its efficiency and low latency, making it an ideal choice for VoIP and live streaming.
MP3 is an audio format that can compress and encode an audio file. It uses the lossy compression algorithm to contain audio data. The lossy compression helps to reduce the data significantly without losing audio quality. MP3s are created using different bit rates maintaining the original quality.