GPT-4o Transcribe Diarize

openai/gpt-4o-transcribe-diarize

transcriptionsttdiarizationaudio

Input price

1598.0 RODI/M

~ 2.5 USD/M

Output price

6391.8 RODI/M

~ 10 USD/M

Context

16K

Max output

—

Input:audio

Output:text

Providers & pricing

Provider	Input	Output	Free tier
Azure Default	1598.0 RODI/M~2.50 USD/M	6391.8 RODI/M	—
OpenAI	1598.0 RODI/M~2.50 USD/M	6391.8 RODI/M	—

Rate	RODI	USD (ref.)	Unit
In	1598.0	~ 2.50	USD/M · RODI/M
Out	6391.8	~ 10.00	USD/M · RODI/M

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

Streaming

Tool calling

Vision

JSON mode

Reasoning

GPT-4o speech-to-text with speaker diarization for multi-speaker audio files.

Use the canonical model slug in your chat completion requests.

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