- 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 Nov 06 2025 13:01:51 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 | ✗ | 47729.6 | 20.46 | 8.51 |
| fastify | 5.6.1 | ✓ | 46676.8 | 20.92 | 8.37 |
| polka | 0.5.2 | ✓ | 46625.6 | 20.93 | 8.32 |
| connect | 3.7.0 | ✗ | 46212.2 | 21.13 | 8.24 |
| 0http | 4.3.0 | ✓ | 45732.0 | 21.37 | 8.16 |
| micro | 10.0.1 | ✗ | 45344.8 | 21.55 | 8.09 |
| h3-router | 1.15.4 | ✓ | 44318.4 | 22.07 | 7.90 |
| restana | v5.1.0 | ✓ | 43994.4 | 22.23 | 7.85 |
| h3 | 1.15.4 | ✗ | 43683.2 | 22.39 | 7.79 |
| connect-router | 2.2.0 | ✓ | 42403.2 | 23.09 | 7.56 |
| adonisjs | 7.7.0 | ✓ | 42166.4 | 23.21 | 7.52 |
| whatwg-node-server | 0.10.15 | ✗ | 38602.4 | 25.41 | 6.88 |
| hono | 4.10.4 | ✓ | 37834.4 | 25.91 | 6.21 |
| restify | 11.1.0 | ✓ | 35708.6 | 27.50 | 6.44 |
| koa | 3.1.1 | ✗ | 34899.0 | 28.16 | 6.22 |
| koa-router | 14.0.0 | ✓ | 32127.8 | 30.62 | 5.73 |
| hapi | 21.4.4 | ✓ | 31961.0 | 30.79 | 5.70 |
| microrouter | 3.1.3 | ✓ | 30565.2 | 32.21 | 5.45 |
| srvx | 0.9.5 | ✗ | 19829.2 | 49.91 | 3.86 |
| fastify-big-json | 5.6.1 | ✓ | 11753.4 | 84.52 | 135.22 |
| express | 5.1.0 | ✓ | 10035.0 | 99.06 | 1.79 |
| express-with-middlewares | 5.1.0 | ✓ | 9259.3 | 107.39 | 3.44 |
| trpc-router | 11.7.1 | ✓ | 6303.1 | 157.85 | 1.39 |
