Python Async (ASGI) Web Frameworks Benchmark

Results (2022-03-14)

2022-03-14T00:00:00+00:00

Read more about the benchmark: The Methodic

Accept a request and return HTML response with a custom dynamic header
Parse path params, query string, JSON body and return a json response
Parse uploaded file, store it on disk and return a text response
Composite stats

Accept a request and return HTML response with a custom dynamic header

The test simulates just a single HTML response.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.2.5`	18546	2.80	4.53	3.41
muffin `0.87.0`	16571	3.09	5.17	3.83
sanic `21.12.1`	15558	4.70	5.14	4.08
falcon `3.0.1`	15554	3.29	5.49	4.08
baize `0.15.0`	13880	3.69	6.21	4.58
starlette `0.17.1`	13797	3.70	6.16	4.60
emmett `2.4.5`	13380	5.54	6.10	4.75
fastapi `0.75.0`	9060	5.46	9.79	7.03
aiohttp `3.8.1`	7240	8.74	9.01	8.84
quart `0.16.3`	3425	18.99	20.08	18.68
tornado `6.1`	3232	19.76	19.94	19.81
django `4.0.3`	1002	59.00	66.26	63.72

Parse path params, query string, JSON body and return a json response

The test simulates a simple JSON REST API endpoint.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
sanic `21.12.1`	10777	6.97	7.67	5.90
blacksheep `1.2.5`	10505	4.70	8.16	6.07
muffin `0.87.0`	10319	4.79	8.41	6.17
falcon `3.0.1`	10133	4.88	8.61	6.28
starlette `0.17.1`	8135	6.03	10.76	7.83
emmett `2.4.5`	7091	7.17	11.58	9.12
baize `0.15.0`	6581	9.96	10.24	9.71
fastapi `0.75.0`	5882	8.36	15.16	10.85
aiohttp `3.8.1`	4496	14.15	14.32	14.24
tornado `6.1`	2780	22.95	23.17	23.02
quart `0.16.3`	2146	29.42	30.05	29.81
django `4.0.3`	883	68.00	71.74	72.37

Parse uploaded file, store it on disk and return a text response

The test simulates multipart formdata processing and work with files.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.2.5`	5604	8.87	15.77	11.40
sanic `21.12.1`	5025	10.44	16.83	12.72
muffin `0.87.0`	4425	11.14	19.99	14.43
falcon `3.0.1`	3433	14.56	25.48	18.73
baize `0.15.0`	2834	21.89	24.48	22.57
starlette `0.17.1`	2434	20.10	36.39	26.26
aiohttp `3.8.1`	2218	28.81	29.09	28.84
fastapi `0.75.0`	2099	23.61	41.91	30.44
tornado `6.1`	2067	30.89	31.09	30.95
quart `0.16.3`	1746	36.68	37.58	36.63
emmett `2.4.5`	1414	41.83	50.86	45.21
django `4.0.3`	689	86.45	89.44	92.51

Composite stats

Combined benchmarks results

Sorted by completed requests

Framework	Requests completed	Avg Latency 50% (ms)	Avg Latency 75% (ms)	Avg Latency (ms)
blacksheep `1.2.5`	519825	5.46	9.49	6.96
sanic `21.12.1`	470400	7.37	9.88	7.57
muffin `0.87.0`	469725	6.34	11.19	8.14
falcon `3.0.1`	436800	7.58	13.19	9.7
starlette `0.17.1`	365490	9.94	17.77	12.9
baize `0.15.0`	349425	11.85	13.64	12.29
emmett `2.4.5`	328275	18.18	22.85	19.69
fastapi `0.75.0`	255615	12.48	22.29	16.11
aiohttp `3.8.1`	209310	17.23	17.47	17.31
tornado `6.1`	121185	24.53	24.73	24.59
quart `0.16.3`	109755	28.36	29.24	28.37
django `4.0.3`	38610	71.15	75.81	76.2

Results (2021-12-27)

2021-12-27T00:00:00+00:00

Read more about the benchmark: The Methodic

Accept a request and return HTML response with a custom dynamic header
Parse path params, query string, JSON body and return a json response
Parse uploaded file, store it on disk and return a text response
Composite stats

Accept a request and return HTML response with a custom dynamic header

The test simulates just a single HTML response.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.2.2`	17085	3.07	4.89	3.71
muffin `0.86.3`	14801	3.56	5.58	4.30
falcon `3.0.1`	14133	3.63	6.01	4.49
baize `0.14.1`	13154	3.98	6.37	4.83
starlette `0.17.1`	12233	4.32	6.84	5.19
emmett `2.3.2`	12200	4.20	6.93	5.21
fastapi `0.70.1`	8834	5.78	9.64	7.21
aiohttp `3.8.1`	6419	9.74	9.97	9.97
quart `0.16.2`	3073	21.34	22.30	20.82
tornado `6.1`	2969	21.59	21.86	21.56
sanic `21.12.0`	1511	31.88	59.87	42.29
django `4.0`	900	65.57	79.01	71.02

Parse path params, query string, JSON body and return a json response

The test simulates a simple JSON REST API endpoint.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.2.2`	9393	5.37	9.13	6.78
muffin `0.86.3`	9323	5.47	9.16	6.83
falcon `3.0.1`	9101	5.54	9.53	6.99
starlette `0.17.1`	7198	7.06	11.91	8.86
emmett `2.3.2`	6490	7.68	13.06	9.93
baize `0.14.1`	5874	11.08	11.44	10.87
fastapi `0.70.1`	5632	8.81	15.61	11.33
aiohttp `3.8.1`	3986	15.84	16.08	16.08
tornado `6.1`	2457	26.01	26.34	26.05
quart `0.16.2`	1925	32.96	33.77	33.22
sanic `21.12.0`	1427	34.55	63.80	44.79
django `4.0`	800	74.32	88.01	79.89

Parse uploaded file, store it on disk and return a text response

The test simulates multipart formdata processing and work with files.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.2.2`	5051	9.98	17.19	12.64
muffin `0.86.3`	3914	13.24	21.83	16.36
falcon `3.0.1`	3161	16.65	26.87	20.30
baize `0.14.1`	2402	26.02	29.43	26.64
starlette `0.17.1`	2142	34.13	38.92	29.82
aiohttp `3.8.1`	1926	32.94	33.21	33.22
tornado `6.1`	1913	33.49	33.82	33.44
fastapi `0.70.1`	1910	38.28	43.16	33.44
quart `0.16.2`	1572	40.84	41.99	40.67
emmett `2.3.2`	1270	47.26	55.91	50.31
sanic `21.12.0`	1186	42.27	75.83	53.86
django `4.0`	614	97.99	104.67	104.02

Composite stats

Combined benchmarks results

Sorted by completed requests

Framework	Requests completed	Avg Latency 50% (ms)	Avg Latency 75% (ms)	Avg Latency (ms)
blacksheep `1.2.2`	472935	6.14	10.4	7.71
muffin `0.86.3`	420570	7.42	12.19	9.16
falcon `3.0.1`	395925	8.61	14.14	10.59
starlette `0.17.1`	323595	15.17	19.22	14.62
baize `0.14.1`	321450	13.69	15.75	14.11
emmett `2.3.2`	299400	19.71	25.3	21.82
fastapi `0.70.1`	245640	17.62	22.8	17.33
aiohttp `3.8.1`	184965	19.51	19.75	19.76
tornado `6.1`	110085	27.03	27.34	27.02
quart `0.16.2`	98550	31.71	32.69	31.57
sanic `21.12.0`	61860	36.23	66.5	46.98
django `4.0`	34710	79.29	90.56	84.98

Results (2021-11-02)

2021-11-02T00:00:00+00:00

Read more about the benchmark: The Methodic

Accept a request and return HTML response with a custom dynamic header
Parse path params, query string, JSON body and return a json response
Parse uploaded file, store it on disk and return a text response
Composite stats

Accept a request and return HTML response with a custom dynamic header

The test simulates just a single HTML response.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.2.0`	18312	2.96	4.47	3.47
muffin `0.86.0`	16350	3.37	4.98	3.90
falcon `3.0.1`	15212	3.43	5.50	4.18
baize `0.12.1`	13746	3.92	5.95	4.63
starlette `0.16.0`	13505	3.84	6.12	4.71
emmett `2.3.2`	13085	3.96	6.34	4.86
fastapi `0.70.0`	9570	5.17	8.86	6.66
sanic `21.9.1`	8684	5.77	9.57	7.41
aiohttp `3.8.0`	7292	8.57	8.71	8.78
quart `0.15.1`	3423	19.27	19.86	18.68
tornado `6.1`	3318	18.93	19.11	19.29
django `3.2.9`	1883	33.61	36.74	34.28

Parse path params, query string, JSON body and return a json response

The test simulates a simple JSON REST API endpoint.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.2.0`	10490	4.77	8.20	6.08
muffin `0.86.0`	10346	4.83	8.20	6.15
falcon `3.0.1`	9659	7.04	8.24	6.63
starlette `0.16.0`	8011	6.20	10.63	7.96
sanic `21.9.1`	7433	6.59	11.35	8.63
emmett `2.3.2`	6797	9.51	11.57	9.53
baize `0.12.1`	6488	10.07	10.32	9.86
fastapi `0.70.0`	6062	10.68	11.54	10.55
aiohttp `3.8.0`	4658	13.49	13.94	13.74
tornado `6.1`	2860	22.26	22.41	22.38
quart `0.15.1`	2158	29.07	29.61	29.65
django `3.2.9`	1581	38.48	43.17	40.44

Parse uploaded file, store it on disk and return a text response

The test simulates multipart formdata processing and work with files.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.2.0`	5699	8.80	15.31	11.27
muffin `0.86.0`	4398	11.24	20.03	14.58
sanic `21.9.1`	3982	12.29	21.48	16.09
falcon `3.0.1`	3471	18.04	22.77	18.59
baize `0.12.1`	2702	22.74	25.60	23.67
starlette `0.16.0`	2435	26.58	35.24	26.27
aiohttp `3.8.0`	2253	28.21	28.34	28.49
fastapi `0.70.0`	2178	30.26	39.16	29.35
tornado `6.1`	2121	30.05	30.16	30.17
quart `0.15.1`	1775	35.51	36.27	36.15
emmett `2.3.2`	1455	40.99	48.11	44.10
django `3.2.9`	996	63.49	70.47	64.26

Composite stats

Combined benchmarks results

Sorted by completed requests

Framework	Requests completed	Avg Latency 50% (ms)	Avg Latency 75% (ms)	Avg Latency (ms)
blacksheep `1.2.0`	517515	5.51	9.33	6.94
muffin `0.86.0`	466410	6.48	11.07	8.21
falcon `3.0.1`	425130	9.5	12.17	9.8
starlette `0.16.0`	359265	12.21	17.33	12.98
baize `0.12.1`	344040	12.24	13.96	12.72
emmett `2.3.2`	320055	18.15	22.01	19.5
sanic `21.9.1`	301485	8.22	14.13	10.71
fastapi `0.70.0`	267150	15.37	19.85	15.52
aiohttp `3.8.0`	213045	16.76	17.0	17.0
tornado `6.1`	124485	23.75	23.89	23.95
quart `0.15.1`	110340	27.95	28.58	28.16
django `3.2.9`	66900	45.19	50.13	46.33

Results (2021-10-21)

2021-10-21T00:00:00+00:00

Read more about the benchmark: The Methodic

Accept a request and return HTML response with a custom dynamic header
Parse path params, query string, JSON body and return a json response
Parse uploaded file, store it on disk and return a text response
Composite stats

Accept a request and return HTML response with a custom dynamic header

The test simulates just a single HTML response.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.9`	18280	2.92	4.56	3.48
muffin `0.86.0`	16016	3.35	5.17	3.97
falcon `3.0.1`	14747	3.50	5.69	4.32
baize `0.12`	13481	3.83	6.20	4.72
starlette `0.16.0`	12981	3.99	6.31	4.92
emmett `2.3.1`	12580	4.10	6.63	5.06
fastapi `0.70.0`	9140	5.59	9.17	6.98
sanic `21.9.1`	8547	6.00	9.67	7.52
aiohttp `3.7.4.post0`	7156	8.89	9.02	8.95
tornado `6.1`	3217	19.76	20.06	19.90
quart `0.15.1`	3206	19.87	21.77	19.99
django `3.2.8`	1744	34.93	40.11	36.88

Parse path params, query string, JSON body and return a json response

The test simulates a simple JSON REST API endpoint.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.9`	10142	5.02	8.45	6.27
muffin `0.86.0`	10083	5.09	8.41	6.32
falcon `3.0.1`	9719	5.27	8.96	6.55
starlette `0.16.0`	7781	6.54	11.12	8.19
sanic `21.9.1`	7179	6.99	12.09	8.94
emmett `2.3.1`	6803	7.33	12.42	9.59
baize `0.12`	6277	10.23	10.71	10.18
fastapi `0.70.0`	6229	8.00	13.90	10.25
aiohttp `3.7.4.post0`	4363	14.65	14.93	14.67
tornado `6.1`	2668	23.78	23.96	24.01
quart `0.15.1`	2065	29.96	32.38	31.05
django `3.2.8`	1422	43.04	49.50	44.96

Parse uploaded file, store it on disk and return a text response

The test simulates multipart formdata processing and work with files.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.9`	5479	9.63	15.56	11.67
muffin `0.86.0`	4272	12.22	20.39	15.08
sanic `21.9.1`	3905	13.39	21.69	16.46
falcon `3.0.1`	3423	15.49	24.81	18.80
baize `0.12`	2472	24.99	28.25	25.88
starlette `0.16.0`	2362	21.67	37.48	27.17
aiohttp `3.7.4.post0`	2143	29.58	29.76	29.87
fastapi `0.70.0`	2127	25.19	39.96	30.08
tornado `6.1`	2034	31.36	31.61	31.46
quart `0.15.1`	1659	37.33	40.91	38.58
emmett `2.3.1`	1354	44.27	49.71	47.31
django `3.2.8`	934	66.96	75.72	68.45

Composite stats

Combined benchmarks results

Sorted by completed requests

Framework	Requests completed	Avg Latency 50% (ms)	Avg Latency 75% (ms)	Avg Latency (ms)
blacksheep `1.0.9`	508515	5.86	9.52	7.14
muffin `0.86.0`	455565	6.89	11.32	8.46
falcon `3.0.1`	418335	8.09	13.15	9.89
starlette `0.16.0`	346860	10.73	18.3	13.43
baize `0.12`	333450	13.02	15.05	13.59
emmett `2.3.1`	311055	18.57	22.92	20.65
sanic `21.9.1`	294465	8.79	14.48	10.97
fastapi `0.70.0`	262440	12.93	21.01	15.77
aiohttp `3.7.4.post0`	204930	17.71	17.9	17.83
tornado `6.1`	118785	24.97	25.21	25.12
quart `0.15.1`	103950	29.05	31.69	29.87
django `3.2.8`	61500	48.31	55.11	50.1

Results (2021-09-01)

2021-09-01T00:00:00+00:00

Read more about the benchmark: The Methodic

Accept a request and return HTML response with a custom dynamic header
Parse path params, query string, JSON body and return a json response
Parse uploaded file, store it on disk and return a text response
Composite stats

Accept a request and return HTML response with a custom dynamic header

The test simulates just a single HTML response.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.9`	18871	3.05	4.31	3.36
muffin `0.84.5`	16612	3.49	4.93	3.81
falcon `3.0.1`	15754	4.07	5.17	4.02
starlette `0.16.0`	13725	4.22	6.01	4.63
emmett `2.3.1`	13516	4.17	6.10	4.70
fastapi `0.68.1`	9709	5.86	8.56	6.56
sanic `21.6.2`	8866	6.06	9.42	7.22
aiohttp `3.7.4.post0`	7457	8.58	8.84	8.58
quart `0.15.1`	3338	19.26	20.61	19.15
tornado `6.1`	3310	19.15	19.80	19.33
django `3.2.6`	1852	34.37	37.97	34.65

Parse path params, query string, JSON body and return a json response

The test simulates a simple JSON REST API endpoint.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.9`	10385	5.20	8.05	6.13
falcon `3.0.1`	10309	6.09	8.03	6.17
muffin `0.84.5`	10212	5.24	8.21	6.23
starlette `0.16.0`	7966	6.66	10.55	8.00
sanic `21.6.2`	7432	6.97	11.28	8.60
emmett `2.3.1`	7211	7.22	11.54	8.93
fastapi `0.68.1`	6260	8.49	13.46	10.19
aiohttp `3.7.4.post0`	4564	14.05	14.38	14.03
tornado `6.1`	2783	22.95	23.63	23.00
quart `0.15.1`	2095	30.16	31.36	30.53
django `3.2.6`	1566	41.41	44.99	40.82

Parse uploaded file, store it on disk and return a text response

The test simulates multipart formdata processing and work with files.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.9`	5871	9.10	14.32	10.91
muffin `0.84.5`	4483	14.01	18.75	14.28
sanic `21.6.2`	4143	13.95	20.19	15.44
falcon `3.0.1`	3743	17.80	22.05	17.19
starlette `0.16.0`	2432	29.97	33.69	26.25
aiohttp `3.7.4.post0`	2235	28.52	29.20	28.63
tornado `6.1`	2224	28.67	29.34	28.77
fastapi `0.68.1`	2218	32.63	36.66	28.81
quart `0.15.1`	1806	35.19	36.32	35.42
emmett `2.3.1`	1477	40.70	48.60	43.29
django `3.2.6`	986	65.19	72.05	64.80

Composite stats

Combined benchmarks results

Sorted by completed requests

Framework	Requests completed	Avg Latency 50% (ms)	Avg Latency 75% (ms)	Avg Latency (ms)
blacksheep `1.0.9`	526905	5.78	8.89	6.8
muffin `0.84.5`	469605	7.58	10.63	8.11
falcon `3.0.1`	447090	9.32	11.75	9.13
starlette `0.16.0`	361845	13.62	16.75	12.96
emmett `2.3.1`	333060	17.36	22.08	18.97
sanic `21.6.2`	306615	8.99	13.63	10.42
fastapi `0.68.1`	272805	15.66	19.56	15.19
aiohttp `3.7.4.post0`	213840	17.05	17.47	17.08
tornado `6.1`	124755	23.59	24.26	23.7
quart `0.15.1`	108585	28.2	29.43	28.37
django `3.2.6`	66060	46.99	51.67	46.76

Results (2021-08-02)

2021-08-02T00:00:00+00:00

Read more about the benchmark: The Methodic

Accept a request and return HTML response with a custom dynamic header
Parse path params, query string, JSON body and return a json response
Parse uploaded file, store it on disk and return a text response
Composite stats

Accept a request and return HTML response with a custom dynamic header

The test simulates just a single HTML response.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.9`	19432	2.70	4.27	3.26
muffin `0.84.1`	17250	3.08	4.78	3.67
falcon `3.0.1`	16127	3.24	5.15	3.93
starlette `0.16.0`	14000	3.61	6.00	4.54
emmett `2.2.3`	13977	3.63	6.04	4.54
fastapi `0.67.0`	9929	5.06	8.49	6.41
sanic `21.6.0`	9308	5.41	8.96	6.89
aiohttp `3.7.4.post0`	7815	8.14	8.23	8.19
quart `0.15.1`	3522	18.70	19.41	18.15
tornado `6.1`	3422	18.68	18.80	18.71
django `3.2.5`	1977	32.21	35.93	32.38

Parse path params, query string, JSON body and return a json response

The test simulates a simple JSON REST API endpoint.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.9`	10836	4.67	7.84	5.87
muffin `0.84.1`	10574	4.66	8.10	6.02
falcon `3.0.1`	10470	4.76	8.11	6.08
starlette `0.16.0`	8298	5.92	10.28	7.68
sanic `21.6.0`	7850	6.23	10.67	8.16
emmett `2.2.3`	7383	6.53	11.44	8.76
fastapi `0.67.0`	6441	7.59	13.31	9.90
aiohttp `3.7.4.post0`	4884	13.11	13.26	13.10
tornado `6.1`	2919	21.96	22.07	21.93
quart `0.15.1`	2208	28.58	29.09	28.97
django `3.2.5`	1656	39.50	42.58	38.60

Parse uploaded file, store it on disk and return a text response

The test simulates multipart formdata processing and work with files.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.9`	6118	8.03	14.20	10.45
muffin `0.84.1`	4634	10.75	18.89	13.78
sanic `21.6.0`	4434	11.05	19.37	14.44
falcon `3.0.1`	3780	13.30	22.46	17.01
starlette `0.16.0`	2593	19.15	33.15	24.64
aiohttp `3.7.4.post0`	2438	26.23	26.37	26.25
fastapi `0.67.0`	2275	22.18	37.71	28.09
tornado `6.1`	2251	28.38	28.49	28.43
quart `0.15.1`	1864	34.31	35.01	34.31
emmett `2.2.3`	1603	36.49	45.73	39.90
django `3.2.5`	1047	60.93	67.76	61.00

Composite stats

Combined benchmarks results

Sorted by completed requests

Framework	Requests completed	Avg Latency 50% (ms)	Avg Latency 75% (ms)	Avg Latency (ms)
blacksheep `1.0.9`	545790	5.13	8.77	6.53
muffin `0.84.1`	486870	6.16	10.59	7.82
falcon `3.0.1`	455655	7.1	11.91	9.01
starlette `0.16.0`	373365	9.56	16.48	12.29
emmett `2.2.3`	344445	15.55	21.07	17.73
sanic `21.6.0`	323880	7.56	13.0	9.83
fastapi `0.67.0`	279675	11.61	19.84	14.8
aiohttp `3.7.4.post0`	227055	15.83	15.95	15.85
tornado `6.1`	128880	23.01	23.12	23.02
quart `0.15.1`	113910	27.2	27.84	27.14
django `3.2.5`	70200	44.21	48.76	43.99

Results (2021-07-06)

2021-07-06T00:00:00+00:00

Read more about the benchmark: The Methodic

Accept a request and return HTML response with a custom dynamic header
Parse path params, query string, JSON body and return a json response
Parse uploaded file, store it on disk and return a text response
Composite stats

Accept a request and return HTML response with a custom dynamic header

The test simulates just a single HTML response.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
muffin `0.83.1`	19405	3.78	4.04	3.26
blacksheep `1.0.8`	19210	2.76	4.31	3.30
falcon `3.0.1`	16180	3.17	5.20	3.92
starlette `0.15.0`	15733	4.70	5.15	4.03
emmett `2.2.3`	14041	3.58	6.10	4.53
fastapi `0.66.0`	11073	6.88	7.32	5.74
sanic `21.6.0`	9266	5.30	9.04	6.92
aiohttp `3.7.4.post0`	7777	8.21	8.30	8.23
tornado `6.1`	3534	18.11	18.21	18.11
quart `0.15.1`	3508	18.83	19.57	18.23
django `3.2.5`	2130	29.83	32.95	30.07

Parse path params, query string, JSON body and return a json response

The test simulates a simple JSON REST API endpoint.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.8`	10812	4.57	7.93	5.88
muffin `0.83.1`	10635	4.60	8.09	5.98
falcon `3.0.1`	10515	4.71	8.22	6.06
starlette `0.15.0`	8248	6.01	10.62	7.73
emmett `2.2.3`	8084	8.97	10.08	8.05
sanic `21.6.0`	7758	6.34	11.16	8.26
fastapi `0.66.0`	6440	7.83	13.60	9.91
aiohttp `3.7.4.post0`	4690	13.43	14.08	13.64
tornado `6.1`	2947	21.71	21.88	21.72
quart `0.15.1`	2159	29.23	29.85	29.63
django `3.2.5`	1659	37.52	42.80	38.54

Parse uploaded file, store it on disk and return a text response

The test simulates multipart formdata processing and work with files.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.8`	6146	8.01	14.27	10.42
muffin `0.83.1`	4722	10.56	18.50	13.61
sanic `21.6.0`	4331	11.29	20.19	14.77
falcon `3.0.1`	3854	13.12	22.07	16.69
starlette `0.15.0`	2548	19.42	34.34	25.08
aiohttp `3.7.4.post0`	2377	26.87	27.39	26.90
fastapi `0.66.0`	2277	21.51	38.22	28.07
tornado `6.1`	2263	28.26	28.41	28.28
quart `0.15.1`	1845	34.68	35.42	34.67
emmett `2.2.3`	1663	36.43	42.10	38.46
django `3.2.5`	1119	56.80	62.63	57.01

Composite stats

Combined benchmarks results

Sorted by completed requests

Framework	Requests completed	Avg Latency 50% (ms)	Avg Latency 75% (ms)	Avg Latency (ms)
blacksheep `1.0.8`	542520	5.11	8.84	6.53
muffin `0.83.1`	521430	6.31	10.21	7.62
falcon `3.0.1`	458235	7.0	11.83	8.89
starlette `0.15.0`	397935	10.04	16.7	12.28
emmett `2.2.3`	356820	16.33	19.43	17.01
sanic `21.6.0`	320325	7.64	13.46	9.98
fastapi `0.66.0`	296850	12.07	19.71	14.57
aiohttp `3.7.4.post0`	222660	16.17	16.59	16.26
tornado `6.1`	131160	22.69	22.83	22.7
quart `0.15.1`	112680	27.58	28.28	27.51
django `3.2.5`	73620	41.38	46.13	41.87

Results (2021-06-22)

2021-06-22T00:00:00+00:00

Read more about the benchmark: The Methodic

Accept a request and return HTML response with a custom dynamic header
Parse path params, query string, JSON body and return a json response
Parse uploaded file, store it on disk and return a text response
Composite stats

Accept a request and return HTML response with a custom dynamic header

The test simulates just a single HTML response.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.8`	17127	3.23	4.79	3.69
muffin `0.80.0`	15098	3.49	5.52	4.20
falcon `3.0.1`	14061	3.67	5.95	4.51
starlette `0.14.2`	12342	4.17	6.82	5.15
emmett `2.2.3`	12232	4.47	6.79	5.19
fastapi `0.65.2`	8726	5.82	9.76	7.29
sanic `21.3.4`	8171	6.36	10.22	7.84
aiohttp `3.7.4.post0`	6886	9.30	9.50	9.29
quart `0.15.1`	2769	23.02	24.88	23.12
tornado `6.1`	2727	22.78	24.00	23.47
django `3.2.4`	1660	38.65	42.10	38.57

Parse path params, query string, JSON body and return a json response

The test simulates a simple JSON REST API endpoint.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
muffin `0.80.0`	9280	5.43	9.27	6.86
blacksheep `1.0.8`	9094	5.84	9.18	7.01
falcon `3.0.1`	9002	5.58	9.57	7.07
starlette `0.14.2`	7151	7.04	12.09	8.91
sanic `21.3.4`	6871	7.23	12.37	9.31
emmett `2.2.3`	6024	8.73	13.73	10.71
fastapi `0.65.2`	5550	9.35	15.57	11.49
aiohttp `3.7.4.post0`	4162	15.34	15.61	15.38
tornado `6.1`	2445	26.11	26.54	26.16
quart `0.15.1`	1792	34.83	36.78	35.70
django `3.2.4`	1407	46.41	50.06	45.43

Parse uploaded file, store it on disk and return a text response

The test simulates multipart formdata processing and work with files.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.8`	4932	10.30	17.39	12.95
muffin `0.80.0`	3886	12.83	22.26	16.45
sanic `21.3.4`	3649	14.16	23.34	17.50
falcon `3.0.1`	3187	16.55	26.36	20.14
starlette `0.14.2`	2148	25.47	38.99	29.75
aiohttp `3.7.4.post0`	2049	31.18	31.73	31.21
fastapi `0.65.2`	1915	38.09	43.03	33.37
tornado `6.1`	1832	34.80	35.28	34.94
quart `0.15.1`	1483	42.47	44.78	43.12
emmett `2.2.3`	1231	49.02	57.71	51.92
django `3.2.4`	904	69.48	78.94	70.67

Composite stats

Combined benchmarks results

Sorted by completed requests

Framework	Requests completed	Avg Latency 50% (ms)	Avg Latency 75% (ms)	Avg Latency (ms)
blacksheep `1.0.8`	467295	6.46	10.45	7.88
muffin `0.80.0`	423960	7.25	12.35	9.17
falcon `3.0.1`	393750	8.6	13.96	10.57
starlette `0.14.2`	324615	12.23	19.3	14.6
emmett `2.2.3`	292305	20.74	26.08	22.61
sanic `21.3.4`	280365	9.25	15.31	11.55
fastapi `0.65.2`	242865	17.75	22.79	17.38
aiohttp `3.7.4.post0`	196455	18.61	18.95	18.63
tornado `6.1`	105060	27.9	28.61	28.19
quart `0.15.1`	90660	33.44	35.48	33.98
django `3.2.4`	59565	51.51	57.03	51.56

Results (2021-06-14)

2021-06-14T00:00:00+00:00

Read more about the benchmark: The Methodic

Accept a request and return HTML response with a custom dynamic header
Parse path params, query string, JSON body and return a json response
Parse uploaded file, store it on disk and return a text response
Composite stats

Accept a request and return HTML response with a custom dynamic header

The test simulates just a single HTML response.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.7`	19097	2.76	4.32	3.31
muffin `0.79.1`	17129	3.08	4.85	3.70
falcon `3.0.1`	15966	3.28	5.22	3.97
emmett `2.2.2`	14029	3.72	5.96	4.53
starlette `0.14.2`	14026	3.64	5.96	4.53
fastapi `0.65.2`	10014	5.04	8.41	6.36
sanic `21.3.4`	9330	5.29	8.97	6.86
aiohttp `3.7.4.post0`	7869	8.08	8.25	8.13
quart `0.15.1`	3520	18.88	19.52	18.16
tornado `6.1`	3472	18.42	18.57	18.43
django `3.2.4`	2036	31.48	35.03	31.48

Parse path params, query string, JSON body and return a json response

The test simulates a simple JSON REST API endpoint.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.7`	10681	4.63	7.97	5.95
muffin `0.79.1`	10645	4.63	8.03	5.98
falcon `3.0.1`	10399	4.79	8.21	6.14
starlette `0.14.2`	8209	6.03	10.50	7.76
sanic `21.3.4`	7843	6.28	10.76	8.15
emmett `2.2.2`	7456	6.61	11.20	8.62
fastapi `0.65.2`	6447	7.60	13.34	9.89
aiohttp `3.7.4.post0`	4854	13.11	13.30	13.18
tornado `6.1`	2937	21.77	21.94	21.79
quart `0.15.1`	2223	28.46	28.99	28.77
django `3.2.4`	1708	39.12	41.10	37.44

Parse uploaded file, store it on disk and return a text response

The test simulates multipart formdata processing and work with files.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.7`	6135	8.02	14.05	10.45
muffin `0.79.1`	4672	10.52	18.58	13.72
sanic `21.3.4`	4449	11.04	19.35	14.41
falcon `3.0.1`	3825	13.56	21.96	16.77
starlette `0.14.2`	2590	20.75	32.66	24.67
aiohttp `3.7.4.post0`	2468	25.91	26.00	25.92
fastapi `0.65.2`	2305	32.90	36.64	27.72
tornado `6.1`	2294	27.90	27.95	27.89
quart `0.15.1`	1894	33.69	34.27	33.78
emmett `2.2.2`	1627	36.25	44.98	39.30
django `3.2.4`	1091	58.60	65.08	58.55

Composite stats

Combined benchmarks results

Sorted by completed requests

Framework	Requests completed	Avg Latency 50% (ms)	Avg Latency 75% (ms)	Avg Latency (ms)
blacksheep `1.0.7`	538695	5.14	8.78	6.57
muffin `0.79.1`	486690	6.08	10.49	7.8
falcon `3.0.1`	452850	7.21	11.8	8.96
starlette `0.14.2`	372375	10.14	16.37	12.32
emmett `2.2.2`	346680	15.53	20.71	17.48
sanic `21.3.4`	324330	7.54	13.03	9.81
fastapi `0.65.2`	281490	15.18	19.46	14.66
aiohttp `3.7.4.post0`	227865	15.7	15.85	15.74
tornado `6.1`	130545	22.7	22.82	22.7
quart `0.15.1`	114555	27.01	27.59	26.9
django `3.2.4`	72525	43.07	47.07	42.49

Results (2021-06-07)

2021-06-07T00:00:00+00:00

Read more about the benchmark: The Methodic

Accept a request and return HTML response with a custom dynamic header
Parse uploaded file, store it on disk and return a text response
Parse path params, query string, JSON body and return a json response
Composite stats

Accept a request and return HTML response with a custom dynamic header

The test simulates just a single HTML response.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.6`	19619	2.71	4.19	3.23
muffin `0.79.1`	17259	3.03	4.79	3.67
falcon `3.0.1`	16225	3.16	5.17	3.91
starlette `0.14.2`	14199	3.60	5.88	4.48
emmett `2.2.2`	13994	3.66	6.02	4.54
fastapi `0.65.1`	10084	4.91	8.41	6.31
sanic `21.3.4`	9210	5.38	9.12	6.97
aiohttp `3.7.4.post0`	7755	8.20	8.26	8.25
tornado `6.1`	3510	18.14	18.33	18.23
quart `0.15.1`	3475	19.01	19.85	18.43
django `3.2.4`	1969	31.32	35.95	32.52

Parse uploaded file, store it on disk and return a text response

The test simulates multipart formdata processing and work with files.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.6`	6224	7.84	14.03	10.26
muffin `0.79.1`	4711	10.48	18.75	13.56
sanic `21.3.4`	4430	11.03	19.65	14.53
falcon `3.0.1`	3858	12.79	22.23	16.68
starlette `0.14.2`	2570	19.09	34.01	24.87
aiohttp `3.7.4.post0`	2436	26.25	26.42	26.26
fastapi `0.65.1`	2329	20.88	37.19	27.44
tornado `6.1`	2305	27.71	27.85	27.77
quart `0.15.1`	1870	34.15	34.91	34.20
emmett `2.2.2`	1586	37.12	45.56	40.31
django `3.2.4`	1048	60.45	67.23	60.96

Parse path params, query string, JSON body and return a json response

The test simulates a simple JSON REST API endpoint.

Sorted by max req/s

Framework	Requests/sec	Latency 50% (ms)	Latency 75% (ms)	Latency Avg (ms)
blacksheep `1.0.6`	11029	4.47	7.83	5.77
muffin `0.79.1`	10567	4.67	8.08	6.02
falcon `3.0.1`	10457	4.80	8.16	6.09
starlette `0.14.2`	8279	5.93	10.36	7.70
sanic `21.3.4`	7792	6.23	10.86	8.22
emmett `2.2.2`	7313	6.61	11.63	8.88
fastapi `0.65.1`	6439	7.57	13.56	9.90
aiohttp `3.7.4.post0`	4880	13.04	13.27	13.11
tornado `6.1`	2905	22.01	22.23	22.03
quart `0.15.1`	2180	28.83	29.63	29.32
django `3.2.4`	1654	39.47	42.65	38.67

Composite stats

Combined benchmarks results

Sorted by completed requests

Framework	Requests completed	Avg Latency 50% (ms)	Avg Latency 75% (ms)	Avg Latency (ms)
blacksheep `1.0.6`	553080	5.01	8.68	6.42
muffin `0.79.1`	488055	6.06	10.54	7.75
falcon `3.0.1`	458100	6.92	11.85	8.89
starlette `0.14.2`	375720	9.54	16.75	12.35
emmett `2.2.2`	343395	15.8	21.07	17.91
sanic `21.3.4`	321480	7.55	13.21	9.91
fastapi `0.65.1`	282780	11.12	19.72	14.55
aiohttp `3.7.4.post0`	226065	15.83	15.98	15.87
tornado `6.1`	130800	22.62	22.8	22.68
quart `0.15.1`	112875	27.33	28.13	27.32
django `3.2.4`	70065	43.75	48.61	44.05

Python Async (ASGI) Web Frameworks Benchmark

Results (2022-03-14)

Table of contents

Accept a request and return HTML response with a custom dynamic header

Parse path params, query string, JSON body and return a json response

Parse uploaded file, store it on disk and return a text response

Composite stats

Results (2021-12-27)

Table of contents

Accept a request and return HTML response with a custom dynamic header

Parse path params, query string, JSON body and return a json response

Parse uploaded file, store it on disk and return a text response

Composite stats

Results (2021-11-02)

Table of contents

Accept a request and return HTML response with a custom dynamic header

Parse path params, query string, JSON body and return a json response

Parse uploaded file, store it on disk and return a text response

Composite stats

Results (2021-10-21)

Table of contents

Accept a request and return HTML response with a custom dynamic header

Parse path params, query string, JSON body and return a json response

Parse uploaded file, store it on disk and return a text response

Composite stats

Results (2021-09-01)

Table of contents

Accept a request and return HTML response with a custom dynamic header

Parse path params, query string, JSON body and return a json response

Parse uploaded file, store it on disk and return a text response

Composite stats

Results (2021-08-02)

Table of contents

Accept a request and return HTML response with a custom dynamic header

Parse path params, query string, JSON body and return a json response

Parse uploaded file, store it on disk and return a text response

Composite stats

Results (2021-07-06)

Table of contents

Accept a request and return HTML response with a custom dynamic header

Parse path params, query string, JSON body and return a json response

Parse uploaded file, store it on disk and return a text response

Composite stats

Results (2021-06-22)

Table of contents

Accept a request and return HTML response with a custom dynamic header

Parse path params, query string, JSON body and return a json response

Parse uploaded file, store it on disk and return a text response

Composite stats

Results (2021-06-14)

Table of contents

Accept a request and return HTML response with a custom dynamic header

Parse path params, query string, JSON body and return a json response

Parse uploaded file, store it on disk and return a text response

Composite stats

Results (2021-06-07)

Table of contents

Accept a request and return HTML response with a custom dynamic header

Parse uploaded file, store it on disk and return a text response

Parse path params, query string, JSON body and return a json response

Composite stats