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OpenAI API

GPT-4 Turbo on OpenAI API

GPT-4 · OpenAI

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Last refreshed 2026-05-10. Next refresh: weekly.

Why use GPT-4 Turbo on OpenAI API?

OpenAI API offers GPT-4 Turbo with pay-as-you-go pricing at $10.00/1M input tokens. OpenAI is a leading AI research and deployment company dedicated to developing safe and beneficial artificial general intelligence (AGI) for humanity.

Compare GPT-4 Turbo across 5 providers to find the best fit for your use case
Input / 1M
$10.00
Output / 1M
$30.00
Cache
Not sourced
Batch
-50% · in $5.00 / out $15.00

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-4-turbo

Request example

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)

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-4 Turbo Across Providers

ProviderInput (per 1M)Output (per 1M)
OpenAI API$10.00$30.00
Azure OpenAI$10.00$30.00
Salesforce Einstein Generative AI
OpenRouter$10.00$30.00
Replicate API$5.00$15.00

Pricing

TypePrice (per 1M)
Input tokens$10.00
Output tokens$30.00

Capabilities

VisionMultimodalFunction CallingTool 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.

FAQ

What does GPT-4 Turbo cost on OpenAI API?

On OpenAI API, GPT-4 Turbo costs $10 per 1M input tokens and $30 per 1M output tokens.

What is the context window for GPT-4 Turbo on OpenAI API?

GPT-4 Turbo supports a 128,000 token context window on OpenAI API.

How does OpenAI API compare to other GPT-4 Turbo providers?

GPT-4 Turbo is available from 5 providers. The cheapest input pricing is $5/1M tokens from Replicate API.

Who created GPT-4 Turbo?

GPT-4 Turbo was created by OpenAI as part of the GPT-4 model family.

Is GPT-4 Turbo open source?

GPT-4 Turbo is not open source; the seed data lists it as proprietary.

Get Started

Model Specs

Released2024-04-09
Parameters1.76T (8x222B MoE)*
Context128K
ArchitectureMixture of Experts
Knowledge cutoff2023-12

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