HTTP server & framework benchmarks

aiohttp benchmark results

aiohttp 3.14 is a python web framework. At concurrency 64 it serves 19 746 requests per second with a P50 latency of 3.24 ms, ranking 308 of 383 overall and 26 of 46 among python frameworks.

Language: python 3.14
Framework version: 3.14
Website: https://aiohttp.readthedocs.io
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Throughput, latency & reliability

All measured metrics for aiohttp 3.14, by concurrency level.
Metric	Concurrency 64	Concurrency 256	Concurrency 512
Requests / second	19 746	18 492	18 089
P50 latency	3.24 ms	13.84 ms	28.26 ms
P75 latency	3.26 ms	13.89 ms	28.34 ms
P90 latency	3.28 ms	13.95 ms	28.41 ms
P99 latency	3.37 ms	14.13 ms	28.88 ms
P99.999 latency	13.09 ms	34.59 ms	133.18 ms
Average latency	3.25 ms	13.85 ms	27.86 ms
Minimum latency	1.19 ms	2.68 ms	1.08 ms
Standard deviation	0.13 ms	0.51 ms	2.26 ms
Total requests	296 206	277 397	271 374
Bytes received	43.02 MB	40.29 MB	39.42 MB
HTTP errors	0	0	0
Request timeouts	0	0	0
Socket connection errors	0	0	0
Socket read errors	0	0	0
Socket write errors	0	0	0

Position in this benchmark

Position of aiohttp on requests per second.
Concurrency	Overall	Among python frameworks
64	308 of 383	26 of 46
256	310 of 383	27 of 46
512	309 of 383	27 of 46

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Explore python frameworks

Fastest python frameworks at concurrency 64.
#	Framework	Requests / second	P50 latency	P99 latency
1	peregrine-wsgi 1.1	191 025	0.30 ms	0.85 ms
2	weft-wsgi 0.1	153 346	0.41 ms	0.52 ms
3	fastpysgi-wsgi 0.6	147 137	0.46 ms	0.58 ms
4	peregrine-asgi 1.1	118 540	0.55 ms	0.68 ms
5	weft-asgi 0.1	118 218	0.53 ms	0.79 ms
6	oxapy 0.11	85 921	0.73 ms	1.34 ms
7	peregrine-blacksheep 2.6	74 401	0.95 ms	1.14 ms
8	emmett 2.7	47 667	1.27 ms	2.98 ms
9	asgineer 0.9	43 752	1.46 ms	2.09 ms
10	mq-bridge-py 0.2	41 435	1.63 ms	1.86 ms

All 46 python frameworks