Whisperlive is a speech-to-text tool that implements OpenAI's Whisper model with near-real-time performance.
The tool addresses the latency problem in running Whisper for live transcription scenarios. Rather than processing audio in batches after collection, whisperlive streams audio input and produces transcription output with minimal delay. It achieves this by integrating multiple inference backends including TensorRT, OpenVINO, and ROCm, allowing users to optimize for their available hardware. The implementation supports both transcription and translation tasks, converting spoken audio directly to text in the source language or in English.
Whisperlive suits developers building live captioning systems, voice dictation applications, or real-time transcription features where latency matters. It works with OBS for streaming scenarios and supports text-to-speech output alongside transcription. The project is particularly valuable for those with GPU acceleration available, as the backend options target NVIDIA, Intel, and AMD hardware. Developers without specialized hardware can still use the tool but should expect different performance characteristics.
The project shows consistent maintenance with regular updates addressing both bug fixes and feature additions. Development activity includes ongoing refinement of inference backend integration and expansion of supported hardware platforms. The codebase receives attention to performance optimization, reflecting the core goal of achieving near-live transcription speeds. Community contributions are integrated regularly, and the project maintains responsiveness to reported issues and feature requests.