OpenAI API exposes GPT-4 Turbo through model ID gpt-4-turbo. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.
Last refreshed 2026-05-10. Next refresh: weekly.
Quick Start
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Code Examples
Install
pip install openaiAPI key
OPENAI_API_KEYModel ID
gpt-4-turboUse 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",
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
VisionMultimodalJSON / Tool useStructured OutputsCode Execution
About GPT-4 Turbo
OpenAI's high-performance variant of GPT-4 with 128K context window and improved reasoning. Widely used for production applications.
Model Specs
Released2024-04-09
Parameters1.76T (8x222B MoE)*
Context128k
ArchitectureMixture of Experts
Knowledge cutoff2023-12