June 8, 2024, 5:48 p.m. |

Simon Willison's Weblog simonwillison.net

Expanding on how Voice Engine works and our safety research

Voice Engine is OpenAI's text-to-speech (TTS) model. It's not the same thing as the voice mode in the GPT-4o demo last month - Voice Engine was first previewed on September 25 2003 as the engine used by the ChatGPT mobile apps. I also used the API version to build my ospeak CLI tool.

One detail in this new explanation of Voice Engine stood out to me:

In November of …

ai chatgpt demo ethics generativeai gpt gpt-4o mobile openai research safety september speech text text-to-speech texttospeech the engine tts voice voice engine

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