Realtime speech-to-speech model for voice agents and customer support
Specification
openai listing
Context
32K
Max output
4K
Released
2026-02-23
Knowledge cutoff
2024-09-30
Retires
2027-08-24
Open weights
no
Input
text, audio
Output
text, audio
Price
US dollars per million tokens · openai list price
Input
$4.00
Output
$16.00
Cache read
$0.40
Available from 3 hosts
Price history
append-only observations · a listing writes a row only when its price moves
| Date | Host | Field | $/M |
|---|---|---|---|
| 2026-09-02 | azure | Cache read | $4.00 |
| 2026-09-15 | azure | Cache read | $0.40 |
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