OpenAI

OpenAI: GPT-4o Mini TTS

openai/gpt-4o-mini-tts-2025-12-15

GPT-4o Mini TTS is OpenAI's cost-efficient text-to-speech model. It converts text input into natural-sounding audio output, supporting a variety of voices and tones.

  • Context window: 4,096 tokens
  • Input: text
  • Output: speech

View on OpenRouter. Model data sourced from OpenRouter.