gpt-realtime-2025-08-28

audiodeprecatedproprietary

Status: Deprecated · Succeeded by gpt-realtime-2.1

Intelligence
Speed
Context
32K
Max output
4K
Input price
$4/1M tokens
Output price
$16/1M tokens
Alias ofgpt-realtime

Capabilities

Reasoning & Interaction
Tool Calling

Details

Provider OpenAI
Creator openai
Familygpt-realtime
Licenseproprietary
Statusdeprecated
Typeaudio
Input modalitiesaudio, image, text
Output modalitiesaudio
Open weightNo
Max duration—
Sample rate—
Channels—
Languages—
Genres—
Release date
Deprecation date
Retirement date
Successorgpt-realtime-2.1
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Endpoints

RealtimeWS
Low-latency streaming via WebSockethttps://api.openai.com/v1/realtime

Pricing

Audio tokensPer 1M tokens
InputCached inputOutput
Standard$32$0.4$64
Text tokensPer 1M tokens
InputCached inputOutput
Standard$4$0.4$16
Image tokensPer 1M tokens
InputCached inputOutput
Standard$5$0.5—

Family Comparison: gpt-realtime

ModelMax durationSample rateChannelsLanguagesGenresPricing
GPT-Realtime-Translate——————
GPT-Realtime-Whisper——————
GPT-Realtime-2.1 Mini—————$0.6$2.4
GPT-Realtime Mini—————$0.6$2.4
GPT-Realtime-1.5—————$4$16
GPT-Realtime-2.1—————$4$24
GPT-Realtime-2—————$4$24
GPT-Realtime—————$4$16

API

GET/v1/models/openai/gpt-realtime-2025-08-28

gpt-realtime-2025-08-28

deprecated

Status: Deprecated

alias → gpt-realtime
Changes · 11 entries
gpt-realtime-2025-08-28updateca7a400Nov 2, 2026, 03:02 AM
descriptionThis is our first general-availability realtime model, ca...→Status: Deprecated
statusactive→deprecated
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Audio tokens","unit":"Per 1M tokens","columns"...
deprecation_date2026-07-20
retirement_date2027-01-20
successorgpt-realtime-2.1
gpt-realtime-2025-08-28updateb2f45bfOct 29, 2026, 03:29 AM
descriptionThis is our first general-availability realtime model, ca...→Status: Deprecated
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Audio tokens","unit":"Per 1M tokens","columns"...
gpt-realtime-2025-08-28update118451aSep 24, 2026, 07:08 AM
statusactive→deprecated
deprecation_date2026-07-20
retirement_date2027-01-20
successorgpt-realtime-2.1
gpt-realtime-2025-08-28updatee8ec634Mar 24, 2026, 07:27 PM
knowledge_cutoff2023-09→2023-10
gpt-realtime-2025-08-28updatef43e286Mar 24, 2026, 04:45 AM
capabilitiesstreamingnovisionnostructured outputnojson modenofine tuningnoreasoningno
gpt-realtime-2025-08-28update1cd659eMar 24, 2026, 04:19 AM
knowledge_cutoff2023-10→2023-09
page_urlhttps://platform.openai.com/docs/models/gpt-realtime→https://developers.openai.com/api/docs/models/gpt-realtim...
gpt-realtime-2025-08-28updateb301ebeMar 23, 2026, 11:47 PM
knowledge_cutoff2023-09→2023-10
gpt-realtime-2025-08-28update2b100acMar 23, 2026, 05:30 AM
model_typeaudio
licenseproprietary
release_date2025-08-28
page_urlhttps://platform.openai.com/docs/models/gpt-realtime
open_weightno
tools["function_calling"]
gpt-realtime-2025-08-28updateb50649fMar 21, 2026, 11:58 PM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
model_typeother
knowledge_cutoff2023-09
taglineThis is our first general-availability realtime model, ca...
capabilitiestool callyes
endpoints["realtime"]
gpt-realtime-2025-08-28updatec9a70c5Mar 21, 2026, 08:12 AM
pricinginput$4output$16cached input$0.4
descriptionThis is our first general-availability realtime model, ca...
model_typeother
gpt-realtime-2025-08-28create7f5c66fMar 21, 2026, 05:16 AM