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naorpeled merged 1 commit into from
Aug 8, 2026
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docs: refresh benchmark results for 1.5.0 #345

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67 changes: 34 additions & 33 deletions README.md
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Expand Up @@ -1544,53 +1544,53 @@ If you're using Lambda API and finding it useful, hit me up on [Twitter](https:/

In-process micro-benchmarks of lambda-api against other AWS Lambda web frameworks. The numbers measure **framework overhead only** (event → route → middleware → response, in a single Node VM) — not end-to-end Lambda timings. Absolute values vary by machine, so compare the **relative** ranking rather than the raw ops/sec. See [`benchmarks/`](./benchmarks) for the methodology and how to reproduce.

_Generated 2026-06-26 21:24:41 UTC · lambda-api v0.0.0-development · Node 20.19.5 · Apple M4 Max (16 cores) · darwin/arm64_
_Generated 2026-08-08 17:06:04 UTC · lambda-api v1.5.0 · Node 20.20.2 · AMD EPYC 7763 64-Core Processor (4 cores) · linux/x64_

#### API Gateway REST (v1) — throughput (ops/sec, higher is better)

| Framework | get-json | path-param | post-json | routing-50 | not-found |
| ------------------------------ | --------- | ---------- | --------- | ---------- | --------- |
| baseline | 5,654,874 | 5,513,012 | 2,560,533 | 4,493,436 | 4,620,989 |
| middy `6.4.5` | 1,056,927 | 811,301 | 62,540 | 433,185 | 155,744 |
| lambda-api `0.0.0-development` | 217,700 | 202,224 | 194,819 | 199,565 | 91,296 |
| hono `4.12.27` | 58,370 | 57,559 | 38,469 | 60,441 | 61,732 |
| fastify `5.8.5` | 51,240 | 52,873 | 13,598 | 56,465 | 48,915 |
| serverless-express `4.22.2` | 26,732 | 28,082 | 15,997 | 26,940 | 28,643 |
| Framework | get-json | path-param | post-json | routing-50 | not-found |
| --------------------------- | --------- | ---------- | --------- | ---------- | --------- |
| baseline | 2,444,066 | 2,477,678 | 1,302,129 | 1,935,069 | 2,255,100 |
| middy `6.4.5` | 382,851 | 282,355 | 31,111 | 163,187 | 68,913 |
| lambda-api `1.5.0` | 128,426 | 115,517 | 113,134 | 115,238 | 48,521 |
| fastify `5.8.5` | 13,353 | 16,644 | 5,792 | 17,561 | 15,549 |
| hono `4.12.34` | 12,101 | 17,762 | 10,562 | 17,792 | 18,302 |
| serverless-express `4.22.2` | 8,559 | 11,035 | 5,440 | 10,060 | 11,079 |

<details><summary>API Gateway REST (v1) — latency (avg / p99, µs, lower is better)</summary>

| Framework | get-json | path-param | post-json | routing-50 | not-found |
| ------------------------------ | ----------- | ----------- | ----------- | ----------- | ----------- |
| baseline | 0.18 / 0.23 | 0.18 / 0.25 | 0.39 / 0.46 | 0.22 / 0.28 | 0.22 / 0.27 |
| middy `6.4.5` | 0.95 / 2.29 | 1.23 / 1.41 | 16.0 / 16.3 | 2.31 / 2.45 | 6.42 / 6.56 |
| lambda-api `0.0.0-development` | 4.59 / 4.74 | 4.95 / 5.14 | 5.13 / 5.28 | 5.01 / 5.63 | 11.0 / 11.0 |
| hono `4.12.27` | 17.1 / 69.7 | 17.4 / 18.7 | 26.0 / 30.2 | 16.5 / 17.3 | 16.2 / 18.1 |
| fastify `5.8.5` | 19.5 / 95.6 | 18.9 / 20.4 | 73.5 / 152 | 17.7 / 23.4 | 20.4 / 20.4 |
| serverless-express `4.22.2` | 37.4 / 118 | 35.6 / 36.8 | 62.5 / 195 | 37.1 / 99.0 | 34.9 / 36.7 |
| Framework | get-json | path-param | post-json | routing-50 | not-found |
| --------------------------- | ----------- | ----------- | ----------- | ----------- | ----------- |
| baseline | 0.41 / 0.66 | 0.40 / 0.78 | 0.77 / 0.83 | 0.52 / 1.04 | 0.44 / 0.50 |
| middy `6.4.5` | 2.61 / 3.53 | 3.54 / 4.81 | 32.1 / 33.5 | 6.13 / 6.42 | 14.5 / 15.3 |
| lambda-api `1.5.0` | 7.79 / 7.87 | 8.66 / 8.77 | 8.84 / 8.93 | 8.68 / 8.76 | 20.6 / 55.8 |
| fastify `5.8.5` | 74.9 / 196 | 60.1 / 110 | 173 / 372 | 56.9 / 96.5 | 64.3 / 115 |
| hono `4.12.34` | 82.6 / 322 | 56.3 / 109 | 94.7 / 193 | 56.2 / 58.6 | 54.6 / 108 |
| serverless-express `4.22.2` | 117 / 260 | 90.6 / 158 | 184 / 386 | 99.4 / 180 | 90.3 / 150 |

</details>

#### API Gateway HTTP (v2) — throughput (ops/sec, higher is better)

| Framework | get-json | path-param | post-json | routing-50 | not-found |
| ------------------------------ | --------- | ---------- | --------- | ---------- | --------- |
| baseline | 4,830,598 | 4,424,847 | 2,237,039 | 3,946,604 | 3,994,042 |
| middy `6.4.5` | 1,032,952 | 791,846 | 55,802 | 372,581 | 148,189 |
| lambda-api `0.0.0-development` | 201,969 | 187,395 | 183,887 | 195,975 | 88,721 |
| hono `4.12.27` | 70,859 | 62,001 | 40,860 | 65,895 | 67,978 |
| fastify `5.8.5` | 45,114 | 38,232 | 12,973 | 45,687 | 49,536 |
| serverless-express `4.22.2` | 26,837 | 27,753 | 17,533 | 25,565 | 29,008 |
| Framework | get-json | path-param | post-json | routing-50 | not-found |
| --------------------------- | --------- | ---------- | --------- | ---------- | --------- |
| baseline | 2,126,449 | 1,789,247 | 1,037,185 | 1,642,674 | 1,806,611 |
| middy `6.4.5` | 372,278 | 278,227 | 31,178 | 161,222 | 67,381 |
| lambda-api `1.5.0` | 116,936 | 106,058 | 105,104 | 106,097 | 48,838 |
| hono `4.12.34` | 20,199 | 18,707 | 11,981 | 18,557 | 19,416 |
| fastify `5.8.5` | 17,361 | 15,423 | 6,162 | 16,474 | 15,968 |
| serverless-express `4.22.2` | 10,909 | 11,229 | 6,739 | 10,472 | 11,515 |

<details><summary>API Gateway HTTP (v2) — latency (avg / p99, µs, lower is better)</summary>

| Framework | get-json | path-param | post-json | routing-50 | not-found |
| ------------------------------ | ----------- | ----------- | ----------- | ----------- | ----------- |
| baseline | 0.21 / 0.47 | 0.23 / 0.44 | 0.45 / 0.71 | 0.25 / 0.48 | 0.25 / 0.51 |
| middy `6.4.5` | 0.97 / 1.17 | 1.26 / 1.38 | 17.9 / 21.8 | 2.68 / 3.70 | 6.75 / 7.37 |
| lambda-api `0.0.0-development` | 4.95 / 5.32 | 5.34 / 5.57 | 5.44 / 5.87 | 5.10 / 5.30 | 11.3 / 11.3 |
| hono `4.12.27` | 14.1 / 14.2 | 16.1 / 19.9 | 24.5 / 26.9 | 15.2 / 16.4 | 14.7 / 15.2 |
| fastify `5.8.5` | 22.2 / 20.0 | 26.2 / 30.9 | 77.1 / 248 | 21.9 / 30.3 | 20.2 / 25.6 |
| serverless-express `4.22.2` | 37.3 / 46.0 | 36.0 / 38.1 | 57.0 / 144 | 39.1 / 40.9 | 34.5 / 35.5 |
| Framework | get-json | path-param | post-json | routing-50 | not-found |
| --------------------------- | ----------- | ----------- | ----------- | ----------- | ----------- |
| baseline | 0.47 / 0.95 | 0.56 / 0.99 | 0.96 / 1.64 | 0.61 / 0.94 | 0.55 / 1.04 |
| middy `6.4.5` | 2.69 / 3.32 | 3.59 / 3.91 | 32.1 / 34.6 | 6.20 / 6.64 | 14.8 / 15.4 |
| lambda-api `1.5.0` | 8.55 / 8.67 | 9.43 / 9.53 | 9.51 / 9.69 | 9.43 / 9.59 | 20.5 / 20.7 |
| hono `4.12.34` | 49.5 / 99.1 | 53.5 / 54.8 | 83.5 / 130 | 53.9 / 56.3 | 51.5 / 52.8 |
| fastify `5.8.5` | 57.6 / 56.0 | 64.8 / 60.5 | 162 / 376 | 60.7 / 66.7 | 62.6 / 59.7 |
| serverless-express `4.22.2` | 91.7 / 193 | 89.1 / 172 | 148 / 262 | 95.5 / 145 | 86.8 / 136 |

</details>

Expand All @@ -1603,6 +1603,7 @@ Throughput for the `get-json` scenario on V2 events (ops/sec), one row per relea
| version | date | node | baseline | lambda-api | fastify | hono | middy | express |
| ----------------- | ---------- | ------- | --------- | ---------- | ------- | ------ | --------- | ------- |
| 0.0.0-development | 2026-06-26 | 20.19.5 | 4,830,598 | 201,969 | 45,114 | 70,859 | 1,032,952 | 26,837 |
| 1.5.0 | 2026-08-08 | 20.20.2 | 2,126,449 | 116,936 | 17,361 | 20,199 | 372,278 | 10,909 |

<!-- BENCHMARKS:HISTORY:END -->

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