GPT Realtime 2.1 Mini on OpenAI API

GPT Realtime 2 · OpenAI

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Last refreshed 2026-10-19. Next refresh: weekly.

Why use GPT Realtime 2.1 Mini on OpenAI API?

OpenAI API offers GPT Realtime 2.1 Mini with pay-as-you-go pricing at $0.60/1M input tokens. OpenAI is a leading AI research and deployment company dedicated to developing safe and beneficial artificial general intelligence (AGI) for humanity.

Compare GPT Realtime 2.1 Mini across 2 providers to find the best fit for your use case
Input / 1M
$0.60
Output / 1M
$2.40
Cache
Not sourced
Batch
Not sourced

Setup recipe

Python + curl
Install
pip install openai
Auth
export OPENAI_API_KEY=...
Call
import os
from openai import OpenAI
client = OpenAI()  # reads OPENAI_API_KEY from env
response = client.chat.completions.create(
Model ID
gpt-realtime-2.1-mini

Request example

import os
from openai import OpenAI

client = OpenAI()  # reads OPENAI_API_KEY from env
response = client.chat.completions.create(
    model="gpt-realtime-2.1-mini",
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Gotchas

  • Use the model slug directly, e.g. "gpt-4o" or "gpt-4.1-mini".
  • The examples expect OPENAI_API_KEY; rename it only if your application config maps the new variable.

Compare GPT Realtime 2.1 Mini Across Providers

ProviderInput (per 1M)Output (per 1M)
OpenAI API$0.60$2.40
Microsoft Foundry$0.60$2.40

Pricing

TypePrice (per 1M)
Input tokens$0.60
Output tokens$2.40

Capabilities

VisionMultimodalReasoningAudio

About GPT Realtime 2.1 Mini

OpenAI Realtime API distilled realtime voice model (gpt-realtime-2.1-mini), faster/cheaper than 2.1, 128K context.

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Model Specs

Released2026-07-06
Context128K
Knowledge cutoff2024-09