GPT-AUDIO-1.5
GPT-AUDIO-1.5 is a chat model developed by OpenAI, capable of handling both audio and text inputs and converting between speech and text. It is genuinely best at processing and generating human-like speech and text, given its speech_to_text and text_to_speech capabilities.
Input
Output
Context
128K
Max Output
16K
Parameters
-
Technical Specifications
Model TypeAudio
Context Window128,000 tokens
Max Output Tokens16,384 tokens
ParametersNot available
Release DateFeb 20, 2026
Training CutoffNot available
Licenseproprietary
Open SourceNo
Input Modalities
AudioText
Output Modalities
AudioText
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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