GPT-4o Mini TTS

openai/gpt-4o-mini-tts

speechttsaudio

Input price

383.6 RODI/M

~ 0.6 USD/M

Output price

—

Context

Max output

—

Input:text

Output:audio

Providers & pricing

Provider	Input	Output	Free tier
Azure Default	383.6 RODI/M~0.600 USD/M	— RODI/M	—
OpenAI	383.6 RODI/M~0.600 USD/M	— RODI/M	—

Rate	RODI	USD (ref.)	Unit
In	383.6	~ 0.600	USD/M · RODI/M
Audio out	—	~ 12.00	USD/s · RODI/s

RODI prices include RodiumAi markup and upstream fees. USD figures are wholesale reference rates.

Streaming

Tool calling

Vision

JSON mode

Reasoning

OpenAI steerable text-to-speech model (token-priced) via POST /v1/audio/speech.

Use the canonical model slug in your chat completion requests.

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