OpenAI S2S pricing - Voice Prices

Realtime models that bill audio as tokens in both directions. All rates are US dollars per 1,000,000 tokens. Source of truth: prices/providers/openai.yml.

Model	Name	Audio in $ / Mtok	Audio out $ / Mtok	Cached audio in $ / Mtok	Text in $ / Mtok	Text out $ / Mtok	Source	Last verified
`gpt-4o-mini-realtime-preview`	gpt-4o-mini-realtime-preview	$10	$20	$0.3	$0.6	$2.4	verified	2025-07-04
`gpt-4o-realtime-preview`	gpt-4o-realtime-preview	$40	$80	$2.5	$5	$20	verified	2025-07-04
`gpt-realtime`	gpt-realtime	$32	$64	$0.4	$4	$16	seed	-
`gpt-realtime-mini`	gpt-realtime-mini	$10	$20	$0.3	$0.6	$2.4	seed	-

What verified, imported, and seed mean is on How Fresh?. A rate that looks wrong is worth reporting.