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

Fast transcription with accurate word timings and speaker labels
From GitHub, fetched 19 Oct 2026.
WhisperX builds on faster-whisper to transcribe audio quickly on a GPU, then aligns every word to precise timestamps and can label who is speaking. It is a command-line tool and Python library that powers many self-hosted transcription apps.
Fast local speech-to-text using OpenAI's Whisper models, in plain C/C++
Alternative to Otter.ai
Reimplementation of Whisper that transcribes several times faster using less memory
Alternative to Otter.ai
Self-hosted transcription app with speaker labels, summaries and chat over recordings
Alternative to Otter.ai
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