GPT-Realtime-2.1 pricing.

prices as of · 4 providers · 4 prices

OpenAI's GPT-Realtime-2.1 holds 128k tokens of context, reads images as well as text and has a reasoning mode. Closed weights: only OpenAI and its licensed partners run it, so every other price below resells the same service.

GPT-Realtime-2.1 costs $4 in and $24 out per million tokens from OpenAI, and no provider goes below it with a reason we can point at.

tool callingreads imagesreasoning128k contextreleased 6 Jul 2026

OpenAI list price

$36/M tokens

$4 in · $24 out

read · 914% above the market median

Cheapest price we can explain

$36

Nobody goes below OpenAI's price for a reason we can point at, so the list price is the one to beat. Every other price is below.

What it costs for your work

pages a month

OpenAI list price

$3.84a month

cheapest we can explain

none

difference

no list price

A page is about 600 tokens in and 60 out, a support reply 200 in and 300 out, an email 150 in and 250 out. Nothing else is counted: no cache discount, no batch rate, no free tier.

Every provider selling GPT-Realtime-2.1

Four groups, decided by the price and by what the provider publishes about it. Prices are per million tokens, and the share is that row against OpenAI's price.

The maker's list price

1 price

What the lab that trained the model charges on its own API.

  • OpenAI

    The price OpenAI charges for the model it trained. Every row below is measured against it.

    $4 / $24in / out per M

    1.00×of list price

Same price as the maker

3 prices

The same price the maker charges, sold by someone else.

Frequently asked

Who sells GPT-Realtime-2.1 cheapest?
No provider sells GPT-Realtime-2.1 below OpenAI's price with a reason we can point at. 4 providers sell it at or above list, and those prices are all on this page.
Is GPT-Realtime-2.1 open weights?
No. OpenAI keeps the weights, so every price on this page is OpenAI's own or a resale of it. A price below list here needs a published reason, or it is listed and never ranked.
How much context does GPT-Realtime-2.1 hold?
128,000 tokens in one call, which is about 128k, and it can call your own functions.
How does GPT-Realtime-2.1 compare with the rest of the market?
At $36 per million tokens, OpenAI's price is 914% above the $3.55 median across the 337 text models we track.
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