HTTP server & framework benchmarks

bun benchmark results

bun 1.2.5 is a javascript web framework. At concurrency 64 it serves 164 152 requests per second with a P50 latency of 0.38 ms, ranking 68 of 383 overall and 13 of 69 among javascript frameworks.

Language: javascript ES2019
Framework version: 1.2.5
Website: https://github.com/oven-sh/bun
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Throughput, latency & reliability

All measured metrics for bun 1.2.5, by concurrency level.
Metric	Concurrency 64	Concurrency 256	Concurrency 512
Requests / second	164 152	162 334	162 257
P50 latency	0.38 ms	1.56 ms	3.16 ms
P75 latency	0.49 ms	1.67 ms	3.26 ms
P90 latency	0.55 ms	1.74 ms	3.34 ms
P99 latency	0.77 ms	2.08 ms	3.79 ms
P99.999 latency	1.67 ms	8.55 ms	9.67 ms
Average latency	0.39 ms	1.57 ms	3.15 ms
Minimum latency	0.06 ms	0.07 ms	0.06 ms
Standard deviation	0.13 ms	0.20 ms	0.26 ms
Total requests	2 462 352	2 435 244	2 434 277
Bytes received	189.51 MB	187.59 MB	187.48 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 bun on requests per second.
Concurrency	Overall	Among javascript frameworks
64	68 of 383	13 of 69
256	59 of 383	12 of 69
512	46 of 383	12 of 69

Badge for your README

Show the rank of bun in your README. The image is updated together with the results.

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Explore javascript frameworks

Fastest javascript frameworks at concurrency 64.
#	Framework	Requests / second	P50 latency	P99 latency
1	morojs-engine 1.1	281 498	0.21 ms	0.47 ms
2	morojs 1.8	279 251	0.21 ms	0.53 ms
3	uwebsockets 20.71	258 863	0.22 ms	0.59 ms
4	fulmine.js 5.21	258 434	0.24 ms	0.59 ms
5	sifrr 0	214 306	0.28 ms	0.74 ms
6	ultimate-express 2.2	206 646	0.35 ms	1.00 ms
7	elysia-bun 1.4	199 540	0.31 ms	0.68 ms
8	mesh 0.8	192 510	0.34 ms	0.80 ms
9	routejs-uwebsocket 3	176 564	0.35 ms	0.89 ms
10	morojs-uws 1.8	176 414	0.36 ms	0.85 ms

All 69 javascript frameworks