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Audio · Text-to-speech · Released Nov 2023

OpenAI TTS-1 HD

OpenAI's higher-fidelity text-to-speech model with ten preset voices, tuned for quality over latency.

From OpenAI, TTS-1 HD is a cloud text-to-speech model. It converts written text into natural, spoken audio. It offers a choice of 10 voices. Voices can be tuned for speed. It runs through OpenAI using your own API key, from $0.03 per 1,000 characters.

Modality
Audio
Available on
Model ID
openai/tts-1-hd
Specs
Released
Nov 2023
Pricing
$0.03 / 1k chars
Type
Text-to-speech
Voices
10 to choose from
Voice controls
Speed
About the creator

OpenAI

OpenAI builds GPT, DALL·E, the Sora family, and the open-weight gpt-oss models, and has been a central force behind the modern wave of generative AI.

openai.com ↗
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