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GPT Realtime 2

OpenAI's most capable realtime voice model: a reasoning model with tool use, supporting speech-to-speech interactions with configurable reasoning effort and reliable tool use for complex voice-agent workflows.

text + audio → text + audio · made by OpenAI

$4→$24per Mtok in / out
Microsoft Azure AI · 2 sellers

Sold by 2 ways

SellerLaneRate
Microsoft Azure AI cloudstandard$4per Mtok in$24per Mtok out$0.4per Mtok cached$0.4per Mtok cached, audio$0.5per Mtok cached, image$32per Mtok in, audio$5per Mtok in, image$64per Mtok out, audioraw.githubusercontent.com · read 2026-10-31
Vercel AI Gateway aggregatorstandard$4per Mtok in$24per Mtok out$0.4per Mtok cachedai-gateway.vercel.sh · read 2026-08-25

About

GPT Realtime 2 — a text and audio model from OpenAI, sold by 2 companies from $4 in and $24 out per million tokens.

It takes text and audio and returns text and audio, with a context window of 128,000 tokens. It was published in May 2026, trained on material up to September 2024. The catalogue files it under speak. Two companies sell it. The cheapest is $4 in and $24 out per million tokens at Microsoft Azure AI.

Every current figure

Maker
OpenAI
Register
model
Takes
text + audio
Returns
text + audio
Context
128,000 tokens
Longest answer
32,000 tokens
Published
May 2026
Knowledge to
September 2024
Licence
not read
Sellers
2
Maker's own price
not read
Price
$4 in and $24 out per million tokens — Microsoft Azure AI

Known as 2 names

gpt-realtime-2openai/gpt-realtime-2