aiohttp vs httpx

async_http_benchmark.py

import asyncio
import time

import httpx
from aiohttp import ClientSession


async def fetch_httpx(url: str) -> None:
    async with httpx.AsyncClient() as client:
        await client.get(url)


async def fetch_aiohttp(url: str, session: ClientSession) -> None:
    async with session.get(url):
        pass


async def run_httpx(urls: list[str]) -> None:
    tasks = [fetch_httpx(url) for url in urls]
    await asyncio.gather(*tasks)


async def run_aiohttp(urls: list[str]) -> None:
    async with ClientSession() as session:
        tasks = [fetch_aiohttp(url, session) for url in urls]
        await asyncio.gather(*tasks)


def main() -> None:
    urls = ["https://www.google.com/"] * 100

    start = time.time()
    asyncio.run(run_httpx(urls))
    httpx_time = time.time() - start

    start = time.time()
    asyncio.run(run_aiohttp(urls))
    aiohttp_time = time.time() - start

    print(f"HTTPX time: {httpx_time}")
    print(f"AIOHTTP time: {aiohttp_time}")


if __name__ == "__main__":
    main()

# HTTPX time: 1.0568580627441406
# AIOHTTP time: 0.4790208339691162