HTTP server & framework benchmarks

heaven benchmark results

heaven 2.3 is a python web framework. At concurrency 64 it serves 25 234 requests per second with a P50 latency of 2.53 ms, ranking 297 of 383 overall and 23 of 46 among python frameworks.

Language: python 3.14
Framework version: 2.3
Website: https://rayattack.github.io/heaven/
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Throughput, latency & reliability

All measured metrics for heaven 2.3, by concurrency level.
Metric	Concurrency 64	Concurrency 256	Concurrency 512
Requests / second	25 234	25 235	25 195
P50 latency	2.53 ms	10.16 ms	20.29 ms
P75 latency	2.69 ms	10.27 ms	20.42 ms
P90 latency	2.81 ms	10.36 ms	20.58 ms
P99 latency	3.15 ms	10.73 ms	21.31 ms
P99.999 latency	9.75 ms	97.31 ms	942.51 ms
Average latency	2.55 ms	10.17 ms	20.34 ms
Minimum latency	0.65 ms	0.56 ms	0.56 ms
Standard deviation	0.32 ms	1.47 ms	16.72 ms
Total requests	378 527	378 552	377 998
Bytes received	38.93 MB	38.95 MB	38.89 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 heaven on requests per second.
Concurrency	Overall	Among python frameworks
64	297 of 383	23 of 46
256	297 of 383	23 of 46
512	297 of 383	23 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