api_usage.py

import requests
import os
from datetime import datetime
from dateutil.relativedelta import relativedelta
import openai

baseUrl = 'https://api.openai.com/v1'
GPT_TYPES = ["gpt-3.5-turbo", "gpt-4", "gpt-4-32k"]
rate_limit_per_model = {
    "gpt-3.5-turbo": 2000, # new pay turbo will have 2000 RPM for the first 48 hours then become 3500
    "gpt-4": 200,
    "gpt-4-32k": 1000
}
body_gpt = {
    "gpt-3.5-turbo": {"model": "gpt-3.5-turbo", "max_tokens": 1, "messages": [{'role':'user', 'content': ''}]},
    "gpt-4": {"model": "gpt-4", "max_tokens": 1, "messages": [{'role':'user', 'content': ''}]},
    "gpt-4-32k": {"model": "gpt-4-32k", "max_tokens": 1, "messages": [{'role':'user', 'content': ''}]}
}

def get_headers(key):
    headers = {'Authorization': f'Bearer {key}'}
    return headers

def get_subscription(key):    
    headers = get_headers(key)
      
    if check_key_availability():
        rpm = "0"        
        tpm = "0"
        org = ""
        quota = ""
        has_gpt4_32k = False
        has_gpt4 = False
        available_models = [model["root"] for model in openai.Model.list()["data"]]
        key_highest_model = ""
        
        if check_gpt4_32k_availability(available_models):
            key_highest_model = GPT_TYPES[2]
            has_gpt4_32k = True
            has_gpt4 = True
        elif check_gpt4_availability(available_models):
            key_highest_model = GPT_TYPES[1]
            has_gpt4 = True
        else:
            key_highest_model = GPT_TYPES[0]  
            
        r = requests.post(f"{baseUrl}/chat/completions", headers=headers, json=body_gpt[key_highest_model])
        result = r.json()
        
        if "id" in result:            
            rpm = r.headers.get("x-ratelimit-limit-requests", "0")
            tpm = r.headers.get("x-ratelimit-limit-tokens", "0")
            org = r.headers.get('openai-organization', "")
            quota = check_key_type(key_highest_model, int(rpm))      
        else:
            e = result.get("error", {}).get("code", "")
            quota = f"Error: {e}"
            org = get_org_name(key)
            
        return {"has_gpt4_32k": has_gpt4_32k,
                "has_gpt4": has_gpt4,
                "organization": org,
                "rpm": f"{rpm} ({key_highest_model})",
                "tpm": f"{tpm}",
                "quota": quota}           
    else:
        return {"has_gpt4_32k": has_gpt4_32k,
                "has_gpt4": has_gpt4,
                "organization": "",
                "rpm": "",
                "tpm": "",
                "quota": ""}

def get_org_name(key):
    headers=get_headers(key)
    r = requests.post(f"{baseUrl}/images/generations", headers=headers)
    return r.headers['openai-organization']

def check_key_type(model, rpm):
    if rpm >= rate_limit_per_model[model]:
        return "yes | pay"
    else:
        return "yes | trial"
    
def check_gpt4_availability(available_models):
    if 'gpt-4' in available_models:
        return True
    else:
        return False

def check_gpt4_32k_availability(available_models):
    if 'gpt-4-32k' in available_models:
        return True
    else:
        return False
        
def check_key_availability():
    try:
        openai.Model.list()
        return True
    except:
        return False

if __name__ == "__main__":
    key = os.getenv("OPENAI_API_KEY")

    results = get_subscription(key)
    for k, v in results.items():
        print(f"{k}: {v}")