whisper.cpp
Generative Artificial Intelligence (GenAI)Fast local speech-to-text using OpenAI's Whisper models, in plain C/C++
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Alternative to Otter.ai

Reimplementation of Whisper that transcribes several times faster using less memory
From GitHub, fetched 19 Oct 2026.
faster-whisper reimplements OpenAI's Whisper on the CTranslate2 engine, transcribing audio up to several times faster with less memory, on CPU or GPU. It is a Python library used as the engine in WhisperX, Speaches and many apps.
Fast local speech-to-text using OpenAI's Whisper models, in plain C/C++
Alternative to Otter.ai
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