api_usage.py

import requests
import os
import openai
import anthropic

BASE_URL = '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
}

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

def get_subscription(key, available_models):    
    headers = get_headers(key)    
    rpm = "0"        
    tpm = "0"
    tpm_left = "0"
    org = ""
    quota = ""    
    key_highest_model = ""
    has_gpt4_32k = False
    has_gpt4 = False
        
    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]  

    req_body = {"model": key_highest_model, "messages": [{'role':'user', 'content': ''}], "max_tokens": 1}
    r = requests.post(f"{BASE_URL}/chat/completions", headers=headers, json=req_body)
    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")
        tpm_left = r.headers.get("x-ratelimit-remaining-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} ({tpm_left} left)",
            "quota": quota}

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

def check_key_type(model, rpm):
    if rpm < RATE_LIMIT_PER_MODEL[model]:
        return "yes | trial"
    else:
        return "yes | pay"
    
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:
        avai_models = openai.Model.list()
        return [model["root"] for model in avai_models["data"] if model["root"] in GPT_TYPES]
    except:
        return False

def check_key_ant_availability(ant):
    try:
        ant.completions.create(
            prompt=f"{anthropic.HUMAN_PROMPT}Hi{anthropic.AI_PROMPT}",
            max_tokens_to_sample=1,
            model="claude-instant-v1",
        )
        return True, "Working"
    except anthropic.APIConnectionError as e:
        print(e.__cause__)  # an underlying Exception, likely raised within httpx.
        return False, "Error: The server could not be reached"
    except anthropic.RateLimitError as e:
        return True, "Error: 429, rate limited; we should back off a bit."
    except anthropic.APIStatusError as e:
        err_msg = e.body.get('error', {}).get('message', '')
        return False, f"Error: {e.status_code}, {err_msg}"

if __name__ == "__main__":
    key = os.getenv("OPENAI_API_KEY")
    key_ant = os.getenv("ANTHROPIC_API_KEY")
    results = get_subscription(key)