OpenAI API exposes GPT-4 Turbo Preview through model ID gpt-4-turbo-preview. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.
Last refreshed 2026-05-19. Next refresh: weekly.
Quick Start
- 1
- 2Use the OpenAI API SDK or REST API to call
gpt-4-turbo-preview— see the documentation for request format. - 3
Code Examples
Install
pip install openaiAPI key
OPENAI_API_KEYModel ID
gpt-4-turbo-previewUse the model slug directly, e.g. "gpt-4o" or "gpt-4.1-mini".
import os
from openai import OpenAI
client = OpenAI() # reads OPENAI_API_KEY from env
response = client.chat.completions.create(
model="gpt-4-turbo-preview",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Pricing on OpenAI API
| Type | Price (per 1M) |
|---|---|
| Input tokens | $10.00 |
| Output tokens | $30.00 |
Capabilities
VisionStructured OutputsCode Execution
About GPT-4 Turbo Preview
GPT-4 Turbo Preview is OpenAI's GPT-4 model. It is deprecated (originally released 2023-11-06); use it only for reproducing earlier results or evaluating drift over time.
Model Specs
Released2023-11-06
Parameters1.76T (8x222B MoE)*
Context128k
ArchitectureMixture of Experts
Knowledge cutoff2023-12