https://api.deepinfra.com/v1/openai/audio-speech$20.0000 per 1M input characters
/v1/models/deepinfra/bosonai/HiggsAudioV2.5HiggsAudioV2.5 is a high-quality neural text-to-speech (TTS) model designed for natural-sounding voice generation across a wide range of use cases. It focuses on clarity, stable prosody, and consistent pacing, making it suitable for both short prompts and longer narration.