Fact · Voice and AI
64.00US dollars per 1M audio output tokens
OpenAI lists gpt-realtime-2.1 audio output at $64.00 per 1M tokens and audio input at $32.00 per 1M tokens.
Checked against its source on October 17, 2026
In the source's own words
“Prices per 1M tokens unless noted. Model Modality Input Cached input Output / cost gpt-realtime-2.1 Audio $32.00 $0.40 $64.00”
OpenAI API pricing, OpenAI, OpenAI, 2026, Realtime and audio generation models table.
Open the original- What it measures
- Token prices are billed per token, so the cost per minute of speech depends on how many audio tokens each minute produces.
- What it does not show
- Per-token prices change between model versions. The figures are those on the page as checked on 2026-10-17.