Last refreshed 2026-06-18. Next refresh: weekly.
Why use GPT-5.2 Pro on OpenAI API?
OpenAI API offers GPT-5.2 Pro with pay-as-you-go pricing at $21.00/1M 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-5.2 Pro across 2 providers to find the best fit for your use caseInput / 1M
$21.00
Output / 1M
$168.00
Cache
Not sourced
Batch
-50% · in $10.50 / out $84.00
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-5.2-proRequest example
import os
from openai import OpenAI
client = OpenAI() # reads OPENAI_API_KEY from env
response = client.chat.completions.create(
model="gpt-5.2-pro",
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 Pro Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Vercel AI Gateway | $21.00 | $168.00 |
| OpenAI API | $21.00 | $168.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $21.00 |
| Output tokens | $168.00 |
Capabilities
VisionMultimodalJSON / Tool useStructured OutputsCode Execution
About GPT-5.2 Pro
GPT-5.2 Pro is OpenAI's most advanced GPT-5.2 tier offering major improvements in agentic coding and long-context performance for enterprise use at 400K context.
Get Started
Model Specs
Released2026-01-01
Context400k
ArchitectureDecoder Only
Knowledge cutoff2025-08