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Top 23 Python Asr Projects
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2.3X speed improvement over WhisperX and a 3X speed boost compared to HuggingFace Pipeline with FlashAttention 2 (Insanely Fast Whisper)
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
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NeMo
A scalable generative AI framework built for researchers and developers working on Large Language Models, Multimodal, and Speech AI (Automatic Speech Recognition and Text-to-Speech)
git clone https://github.com/NVIDIA/NeMo.git nemo
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PaddleSpeech
Easy-to-use Speech Toolkit including Self-Supervised Learning model, SOTA/Streaming ASR with punctuation, Streaming TTS with text frontend, Speaker Verification System, End-to-End Speech Translation and Keyword Spotting. Won NAACL2022 Best Demo Award.
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Star the Speech Brain repository ⭐
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youtube-transcript-api
This is a python API which allows you to get the transcript/subtitles for a given YouTube video. It also works for automatically generated subtitles and it does not require an API key nor a headless browser, like other selenium based solutions do!
Project mention: Show HN: YouTubeTldw: ad‑free, login‑free YouTube summaries in a flash | news.ycombinator.com | 2025-07-29- en ("English")
If you are sure that the described cause is not responsible for this error and that a transcript should be retrievable, please create an issue at https://github.com/jdepoix/youtube-transcript-api/issues. Please add which version of youtube_transcript_api you are using and provide the information needed to replicate the error. Also make sure that there are no open issues which already describe your problem!
- Project mention: CosyVoice 2025 Complete Guide: The Ultimate Multi-lingual Text-to-Speech Solution | dev.to | 2025-12-15
WeNet - Speech Recognition Toolkit
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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whisper-standalone-win
Whisper & Faster-Whisper standalone executables for those who don't want to bother with Python.
Project mention: Show HN: Python Audio Transcription: Convert Speech to Text Locally | news.ycombinator.com | 2025-09-22I like this version of Whisper which has diarization built in: https://github.com/Purfview/whisper-standalone-win
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whisper-timestamped
Multilingual Automatic Speech Recognition with word-level timestamps and confidence
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StreamSpeech
StreamSpeech is an “All in One” seamless model for offline and simultaneous speech recognition, speech translation and speech synthesis.
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whisper.api
This project provides an API with user level access support to transcribe speech to text using a finetuned and processed Whisper ASR model.
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CrisperWhisper
Verbatim Automatic Speech Recognition with improved word-level timestamps and filler detection
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- Project mention: Video to Text AI: The [2025 Guide] to Unlocking Revenue from Content | dev.to | 2025-12-10
1. Rev
- Project mention: How to Deploy a Voice AI Agent Using Railway for eCommerce Success | dev.to | 2025-12-20
Deepgram STT – Real-time speech-to-text alternative
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).
Python Asr discussion
Python Asr related posts
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Video to Text AI: The [2025 Guide] to Unlocking Revenue from Content
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Making AI Models Faster, Cheaper, and Greener — Here’s How
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FFmpeg 8.0 adds Whisper support
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Ask HN: What Speaker Diarization tools should I look into?
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Ask HN: What API or software are people using for transcription?
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The Technology Behind YouTube’s Auto-Captioning System
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Show HN: Mikey – No bot meeting notetaker for Windows
- A note from our sponsor - Stream getstream.io | 22 Dec 2025
Index
What are some of the best open-source Asr projects in Python? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | whisperX | 19,239 |
| 2 | NeMo | 16,336 |
| 3 | PaddleSpeech | 12,449 |
| 4 | speechbrain | 10,956 |
| 5 | SenseVoice | 7,202 |
| 6 | youtube-transcript-api | 6,560 |
| 7 | wenet | 4,953 |
| 8 | whisper-asr-webservice | 3,070 |
| 9 | lingvo | 2,856 |
| 10 | whisper-standalone-win | 2,740 |
| 11 | whisper-timestamped | 2,700 |
| 12 | vosk-server | 1,214 |
| 13 | StreamSpeech | 1,213 |
| 14 | SincNet | 1,200 |
| 15 | pykaldi | 1,031 |
| 16 | whisper.api | 902 |
| 17 | CrisperWhisper | 880 |
| 18 | cheetah | 648 |
| 19 | pyannote-whisper | 647 |
| 20 | voicemode | 501 |
| 21 | leopard | 469 |
| 22 | reverb | 434 |
| 23 | deepgram-python-sdk | 375 |
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