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Common Voice is a free, open-source platform for community-led data creation that lets people preserve, revitalise, and elevate their language by sharing and curating text and speech datasets. Contributors provide scripted speech, spontaneous speech, and text prompts, helping build a publicly accessible multilingual collection across 130+ languages. The datasets support ASR, STT, TTS, and other NLP use cases, powered by global communities and open collaboration.
AI named Common Voice in January 2026.