TTS 1 HD
OpenAI's TTS 1 HD is a proprietary text-to-speech model designed to generate speech from input text. It is genuinely best at converting written text into spoken language, leveraging its text-to-speech capabilities.
Input
Output
Context
4K
Max Output
-
Parameters
-
Technical Specifications
Model TypeAudio
Context Window4,096 tokens
Max Output TokensNot available
ParametersNot available
Release DateNov 3, 2023
Training CutoffNot available
Licenseproprietary
Open SourceNo
Input Modalities
Text
Output Modalities
Audio
Capabilities
Resources & Links
proprietary, Proprietary - API access only
Related Tools
Data sourced from official provider APIs and documentation
Last updated: Jun 23, 2026
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