Whisper is OpenAI's open-source automatic speech recognition (ASR) model trained on 680,000 hours of multilingual data. Supports transcription in 99+ languages, translation to English, and word-level timestamps. Widely self-hosted and integrated into products like ChatGPT, Descript, and dozens of API services.

Technical Specifications

Features Real-Time, API Access, Self-Hosted, Offline Mode, Batch Processing, Streaming
Input Types Audio, Voice, Video
Output Types Text, JSON
Platforms Web, Windows, macOS, Linux
Interface Types API, CLI Tool
Customization API/SDK, Fully Customizable
Language Support Multilingual
Compliance Data Privacy, Local Deployment, On-Premise
Autonomy Level Assistant Mode
Target Audience Developers, Enterprise, Researchers, Individuals