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Home/Models/OpenAI/GPT 5.5 Pro
O

GPT 5.5 Pro

Input:$24/M
Output:$144/M
An advanced model engineered for extremely complex logic and professional demands, representing the highest standard of deep reasoning and precise analytical capabilities.
New
Commercial Use
Playground
Features
Pricing
API

Features for GPT 5.5 Pro

Explore the key features of GPT 5.5 Pro, designed to enhance performance and usability. Discover how these capabilities can benefit your projects and improve user experience.

Pricing for GPT 5.5 Pro

Explore competitive pricing for GPT 5.5 Pro, designed to fit various budgets and usage needs. Our flexible plans ensure you only pay for what you use, making it easy to scale as your requirements grow. Discover how GPT 5.5 Pro can enhance your projects while keeping costs manageable.
Comet Price (USD / M Tokens)Official Price (USD / M Tokens)Discount
Input:$24/M
Output:$144/M
Input:$30/M
Output:$180/M
-20%

Sample code and API for GPT 5.5 Pro

Access comprehensive sample code and API resources for GPT 5.5 Pro to streamline your integration process. Our detailed documentation provides step-by-step guidance, helping you leverage the full potential of GPT 5.5 Pro in your projects.
POST
/v1/responses
Python
JavaScript
Curl
from openai import OpenAI
import os

# Get your CometAPI key from https://www.cometapi.com/console/token, and paste it here
COMETAPI_KEY = os.environ.get("COMETAPI_KEY") or "<YOUR_COMETAPI_KEY>"
BASE_URL = "https://api.cometapi.com/v1"

client = OpenAI(base_url=BASE_URL, api_key=COMETAPI_KEY)
response = client.responses.create(
    model="gpt-5.5-pro",
    input="How much gold would it take to coat the Statue of Liberty in a 1mm layer?",
    reasoning={"effort": "medium"},
)

print(response.output_text)

Python Code Example

from openai import OpenAI
import os

# Get your CometAPI key from https://www.cometapi.com/console/token, and paste it here
COMETAPI_KEY = os.environ.get("COMETAPI_KEY") or "<YOUR_COMETAPI_KEY>"
BASE_URL = "https://api.cometapi.com/v1"

client = OpenAI(base_url=BASE_URL, api_key=COMETAPI_KEY)
response = client.responses.create(
    model="gpt-5.5-pro",
    input="How much gold would it take to coat the Statue of Liberty in a 1mm layer?",
    reasoning={"effort": "medium"},
)

print(response.output_text)

JavaScript Code Example

import OpenAI from "openai";

// Get your CometAPI key from https://www.cometapi.com/console/token, and paste it here
const COMETAPI_KEY = process.env.COMETAPI_KEY || "<YOUR_COMETAPI_KEY>";
const BASE_URL = "https://api.cometapi.com/v1";

const client = new OpenAI({
  apiKey: COMETAPI_KEY,
  baseURL: BASE_URL,
});

const response = await client.responses.create({
  model: "gpt-5.5-pro",
  input: "How much gold would it take to coat the Statue of Liberty in a 1mm layer?",
  reasoning: {
    effort: "medium",
  },
});

console.log(response.output_text);

Curl Code Example

curl https://api.cometapi.com/v1/responses \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $COMETAPI_KEY" \
  -d '{
    "model": "gpt-5.5-pro",
    "input": "How much gold would it take to coat the Statue of Liberty in a 1mm layer?",
    "reasoning": {
      "effort": "medium"
    }
  }'

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