WhisperX is listed under Speech & Transcription Engines, in the AI Models & Local Execution category on Flocci AI Tools. 70x real-time transcription speed via batched inference on top of Whisper. It is free, with no paid plan attached, and it lives at github.com.
WhisperX is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 115 entries on Flocci AI Tools with no upgrade path built in.
WhisperX does 3 things the catalog singles out: 70x real-time transcription speed via batched inference on top of whisper; adds wav2vec2 forced alignment for accurate word-level timestamps whisper lacks natively; built-in speaker diarization and vad preprocessing to cut hallucinations.
NVIDIA Parakeet is the closest free alternative: it sits in the same Speech & Transcription Engines sub-category and is free. OpenAI Whisper, AssemblyAI and Deepgram also start free. The full list is on the alternatives page.
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