Dessa AI offers browser-based live voice conversations with captions and transcripts, plus text-to-speech generation with downloadable WAV audio.

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For people who want to practice speaking, talk through an idea, or turn written copy into spoken audio, Dessa AI provides two browser-based voice tools. Live Talk lets you have a microphone conversation after choosing a voice, language, and conversation mode; it also offers live captions and a downloadable transcript. Text to Speech converts a script into audio you can play back and download as a WAV file, with voice options and a character count shown before generation. The site describes itself as an independent voice service, separate from Block’s Dessa research project. Its Live Talk tool uses GPT-Live-1, while Text to Speech uses HeyGen. Dessa AI may suit language practice, interview rehearsal, or short narration workflows; it is not access to Block’s research model.

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