LLM Reference
OpenAI API

GPT-5.2 on OpenAI API

GPT-5 · OpenAI

Serverless

Last refreshed 2026-06-18. Next refresh: weekly.

Why use GPT-5.2 on OpenAI API?

OpenAI API offers GPT-5.2 with pay-as-you-go pricing at $1.75/1M 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-5.2 across 4 providers to find the best fit for your use case
Input / 1M
$1.75
Output / 1M
$14.00
Cache
read $0.175
Batch
-50% · in $0.875 / out $7.00

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-5.2

Request example

import os
from openai import OpenAI

client = OpenAI()  # reads OPENAI_API_KEY from env
response = client.chat.completions.create(
    model="gpt-5.2",
    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-5.2 Across Providers

ProviderInput (per 1M)Output (per 1M)
Replicate API$1.75$14.00
OpenRouter$1.75$14.00
Vercel AI Gateway$1.75$14.00
OpenAI API$1.75$14.00

Pricing

TypePrice (per 1M)
Input tokens$1.75
Output tokens$14.00

Capabilities

VisionMultimodalReasoningJSON / Tool useStructured OutputsCode Execution

About GPT-5.2

GPT-5.2 is OpenAI's incremental update in the GPT-5 series offering improvements in agentic coding and long-context performance at 128K context.

Get Started

Model Specs

Released2025-12-11
Context400k
ArchitectureDecoder Only
Knowledge cutoff2025-08