- Fastify is a fast and low overhead web framework for Node.js.
- This package shows how fast it is compared to other JS frameworks: these benchmarks do not pretend to represent a real-world scenario, but they give a good indication of the framework overhead.
- The benchmarks are run automatically on GitHub actions, which means they run on virtual hardware that can suffer from the "noisy neighbor" effect; this means that the results can vary.
- For metrics (cold-start) see metrics.md
To be included in this list, the framework should captivate users' interest. We have identified the following minimal requirements:
- Ensure active usage: a minimum of 500 downloads per week
- Maintain an active repository with at least one event (comment, issue, PR) in the last month
- The framework must use the Node.js HTTP module
Clone this repo. Then
node ./benchmark [arguments (optional)]
-h: Help on how to use the tool.bench: Benchmark one or more modules.compare: Get comparative data for your benchmarks.
Create benchmark before comparing;
benchmark bench
You may also compare all test results, at once, in a single table;
benchmark compare -t
You can also extend the comparison table with percentage values based on fastest result;
benchmark compare -p
- Machine: linux x64 | 4 vCPUs | 15.6GB Mem
- Node:
v20.19.5 - Run: Thu Sep 18 2025 07:17:26 GMT+0000 (Coordinated Universal Time)
- Method:
autocannon -c 100 -d 40 -p 10 localhost:3000(two rounds; one to warm-up, one to measure)
| Version | Router | Requests/s | Latency (ms) | Throughput/Mb | |
|---|---|---|---|---|---|
| node-http | v20.19.5 | ✗ | 46496.0 | 21.01 | 8.29 |
| fastify | 5.6.0 | ✓ | 46196.0 | 21.14 | 8.28 |
| connect | 3.7.0 | ✗ | 46079.2 | 21.19 | 8.22 |
| polka | 0.5.2 | ✓ | 45009.6 | 21.72 | 8.03 |
| 0http | 4.3.0 | ✓ | 44935.2 | 21.77 | 8.01 |
| micro | 10.0.1 | ✗ | 44428.8 | 22.00 | 7.92 |
| connect-router | 2.2.0 | ✓ | 43295.2 | 22.60 | 7.72 |
| adonisjs | 7.7.0 | ✓ | 42274.4 | 23.15 | 7.54 |
| restana | v5.1.0 | ✓ | 40724.8 | 24.06 | 7.26 |
| h3 | 1.15.4 | ✗ | 39999.2 | 24.51 | 7.13 |
| srvx | 0.8.7 | ✗ | 39509.6 | 24.81 | 7.69 |
| h3-router | 1.15.4 | ✓ | 38504.8 | 25.48 | 6.87 |
| whatwg-node-server | 0.10.12 | ✗ | 38275.2 | 25.61 | 6.83 |
| hono | 4.9.7 | ✓ | 36573.4 | 26.85 | 6.00 |
| restify | 11.1.0 | ✓ | 34486.6 | 28.49 | 6.22 |
| koa | 3.0.1 | ✗ | 34439.0 | 28.54 | 6.14 |
| hapi | 21.4.3 | ✓ | 30772.4 | 32.00 | 5.49 |
| koa-router | 14.0.0 | ✓ | 30734.4 | 32.03 | 5.48 |
| microrouter | 3.1.3 | ✓ | 29220.0 | 33.71 | 5.21 |
| fastify-big-json | 5.6.0 | ✓ | 11339.8 | 87.62 | 130.48 |
| express | 5.1.0 | ✓ | 10075.4 | 98.68 | 1.80 |
| express-with-middlewares | 5.1.0 | ✓ | 9020.5 | 110.25 | 3.35 |
| trpc-router | 11.5.1 | ✓ | 6023.7 | 165.23 | 1.33 |
