gpt-4o-mini-realtime-preview shut down on 2026-05-07 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-realtime-mini. On the labeled example of 10 million input tokens and 2 million output tokens, gpt-realtime-mini costs $10.8 a month, the same as $10.8 for gpt-4o-mini-realtime-preview.
gpt-4o-mini-realtime-preview shut down on 2026-05-07 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-realtime-mini. On the labeled example of 10 million input tokens and 2 million output tokens, gpt-realtime-mini costs $10.8 a month, the same as $10.8 for gpt-4o-mini-realtime-preview.