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GPT-Realtime-2.1

OpenAI · gpt-realtime-2-1

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Realtime speech-to-speech model with configurable reasoning, tool use, and robust voice-agent behavior

Specification

openai listing

Context
128K
Max output
32K
Released
2026-07-06
Knowledge cutoff
2024-09-30
Retires
2027-06-25
Open weights
no
Input
text, audio, image
Output
text, audio

Price

US dollars per million tokens · openai list price

Input
$4.00
Output
$24.00
Cache read
$0.40

Available from 3 hosts

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
openaivendor$4.00$24.00$0.40128K32K
azure$4.00$24.00$0.4032K4K2027-06-25
vercel$4.00$24.00$0.40128K32K

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