fastify 5.12 benchmark results

fastify 5.12 is a javascript web framework. At concurrency 64 it serves 104 443 requests per second with a P50 latency of 0.58 ms, ranking 166 of 358 overall and 28 of 63 among javascript frameworks.

Language: javascript ES2019
Framework version: 5.12
Website: https://fastify.dev
Open in the interactive charts: compare fastify

All measured metrics for fastify 5.12, by concurrency level.
Metric	Concurrency 64	Concurrency 256	Concurrency 512
Requests / second	104 443	97 201	98 680
P50 latency	0.58 ms	1.78 ms	1.63 ms
P75 latency	0.66 ms	2.64 ms	3.39 ms
P90 latency	0.74 ms	2.76 ms	3.54 ms
P99 latency	1.20 ms	2.99 ms	3.84 ms
P99.999 latency	4.00 ms	5.06 ms	7.87 ms
Average latency	0.60 ms	2.09 ms	2.38 ms
Minimum latency	0.08 ms	0.07 ms	0.19 ms
Standard deviation	0.18 ms	0.58 ms	1.04 ms
Total requests	1 566 773	1 458 282	1 480 610
Bytes received	203.86 MB	190.00 MB	192.88 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

Rank

Position of fastify on requests per second.
Concurrency	Overall	Among javascript frameworks
64	166 of 358	28 of 63
256	169 of 358	31 of 63
512	161 of 358	29 of 63

Other javascript frameworks

Fastest javascript frameworks at concurrency 64.
#	Framework	Requests / second	P50 latency	P99 latency
1	nhttp 2	179 708	0.33 ms	0.56 ms
2	elysia-bun 1.4	178 846	0.32 ms	0.60 ms
3	sifrr 0	174 175	0.32 ms	0.50 ms
4	mesh 0.8	173 717	0.27 ms	0.48 ms
5	vixeny-deno 0.1	173 367	0.32 ms	0.52 ms
6	uwebsockets 20.58	172 563	0.33 ms	0.51 ms
7	fulmine 5.18	172 187	0.31 ms	0.55 ms
8	hono-deno 4.13	170 810	0.32 ms	0.53 ms
9	routejs-uwebsocket 3	167 115	0.30 ms	0.49 ms
10	morojs 1.8	165 567	0.33 ms	0.49 ms

All 63 javascript frameworks