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OpenAI: GPT-4o Mini TTS

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

Released Apr 18, 20264,096 context$0.60 per 1M characters

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.

Recent activity on GPT-4o Mini TTS

Total usage per day on OpenRouter

Requests
73

Total number of API requests made to this model per day on OpenRouter.