Audio APIs Now Live
Full Audio API Support
Apertis now supports the OpenAI-compatible Audio API. Use a single API key to access leading TTS (text-to-speech) and STT (speech-to-text) models across providers.
Supported Models
Text-to-Speech (TTS)
gemini-3.1-flash-tts-preview— Google's latest Flash TTS previewgpt-4o-mini-tts— OpenAI's lightweight real-time speech synthesis
Speech-to-Text (STT)
gpt-4o-transcribe— Flagship high-accuracy transcriptiongpt-4o-mini-transcribe— Cost-efficient real-time transcriptionwhisper-large-v3-turbo— Accelerated Whisper v3whisper-large-v3— Full-precision Whisperwhisper-1— The classic, battle-tested baseline
Endpoints
Drop-in compatible with the OpenAI SDK — no code changes required: