Last refreshed 2026-05-10. Next refresh: weekly.
Why use gpt-realtime on OpenAI API?
OpenAI API offers gpt-realtime with pay-as-you-go pricing at $4.00/1M input tokens. OpenAI is a leading AI research and deployment company dedicated to developing safe and beneficial artificial general intelligence (AGI) for humanity.
Input / 1M
$4.00
Output / 1M
$16.00
Cache
read $0.40
Batch
Not sourced
Setup recipe
Python + curlInstall
pip install openaiAuth
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-realtimeRequest example
import os
from openai import OpenAI
client = OpenAI() # reads OPENAI_API_KEY from env
response = client.chat.completions.create(
model="gpt-realtime",
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.
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $4.00 |
| Output tokens | $16.00 |
| Image input | $5.00 |
| Audio input | $32.00 |
Capabilities
MultimodalAudio
About gpt-realtime
Realtime model capable of text and audio inputs and outputs via the Realtime API.
FAQ
What does gpt-realtime cost on OpenAI API?
On OpenAI API, gpt-realtime costs $4.00 per 1M input tokens and $16.00 per 1M output tokens.
What is the context window for gpt-realtime on OpenAI API?
gpt-realtime supports a 32k token context window on OpenAI API.
What API model ID do I use for gpt-realtime on OpenAI API?
Use the model ID gpt-realtime when calling OpenAI API's API.
Who created gpt-realtime?
gpt-realtime was created by OpenAI as part of the GPT Realtime model family.
Is gpt-realtime open source?
gpt-realtime is not open source; the seed data lists it as proprietary.
Get Started
Model Specs
Released2025-10-06
Context32k
ArchitectureDecoder Only
Knowledge cutoff2023-10