warp vs Vapor
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
Open source · MIT
A Rust web server framework built from small composable filters for handling HTTP requests.
Open source · MIT
A web framework for building websites and APIs in the Swift programming language.
The short answer
Choose warp if you need…
- Rust developers building HTTP APIs or web servers
- Developers who like composing small reusable request-handling pieces
- Projects that need routing, JSON or form handling, websockets, or static files in one framework
- Teams already using Tokio for asynchronous Rust code
Choose Vapor if you need…
- Swift developers who want to build backend services in the same language as their iOS or macOS apps
- Teams building JSON APIs or web backends who already work in Swift
- Developers interested in server-side Swift who want a widely used, community-backed framework
Side-by-side
| warp | Vapor | |
|---|---|---|
| Type | Library | Library |
| Price | Free and open source | Free and open source |
| Licence | MIT | MIT |
| GitHub stars | 10.4k | 26.2k |
| Setup difficulty | Intermediate | Intermediate |
| How you get it | Install with a package manager | Clone and build from source |
| Main language | Rust | Swift |
| Last code update | 3 months ago | 4 days ago |
What each one is
warp
warp is a web server framework for the Rust programming language. It lets developers describe what a request must look like (its path, headers, query string, or body) by combining small building blocks called filters, then write the code that answers matching requests. It is built on top of hyper, so it supports HTTP/1 and HTTP/2 and runs asynchronously.
Vapor
Vapor is an HTTP web framework for Swift, the language Apple created. It gives developers a foundation for building websites, APIs, and cloud services that run on the server rather than on a user's device. The README describes it as aiming to be expressive and easy to use.
Best for
warp
- Rust developers building HTTP APIs or web servers
- Developers who like composing small reusable request-handling pieces
- Projects that need routing, JSON or form handling, websockets, or static files in one framework
- Teams already using Tokio for asynchronous Rust code
Vapor
- Swift developers who want to build backend services in the same language as their iOS or macOS apps
- Teams building JSON APIs or web backends who already work in Swift
- Developers interested in server-side Swift who want a widely used, community-backed framework
Strengths
warp
- Routing and request matching are expressed as composable filters, which the README presents as the core design
- Covers many common needs out of the box, including websockets, compression, and access logging
- Built on hyper, which the README says provides HTTP/1, HTTP/2, and async support
Vapor
- Open source under the MIT license, free to use and modify
- Actively maintained, with a recent push and a large star count on GitHub
- Has an official Discord community and documentation site linked from the README
Not ideal for
warp
- People who do not write Rust, since the README only shows Rust examples
- Beginners new to both Rust and async programming, as the filter model and Tokio setup take time to learn
- Projects needing a long-term stability guarantee, since the latest release is v0.4.1 and the README does not describe its support policy
Vapor
- People with no Swift experience, since the framework assumes Swift knowledge
- Teams that need the latest stable release, because the newest listed release is a beta (5.0.0-beta.4)
- Projects that depend on a mature ecosystem of libraries in another language, such as Python or JavaScript
Trade-offs
warp
- Requires working knowledge of Rust and the Tokio async runtime
- The README is brief and points to external docs and examples for detail
- The README does not state a stability or maintenance commitment beyond the latest release date
Vapor
- The README lists Swift 6.0+ as a requirement, so older Swift setups will not work
- The latest release is a beta, so the API may still change before a stable version
- The README is truncated and does not show detailed setup steps, so the entry relies on limited install information
Getting started
warp
Add warp and Tokio to Cargo.toml
tokio = { version = "1", features = ["full"] }
warp = { version = "0.4", features = ["server"] }Vapor
Clone the repository
git clone https://github.com/vapor/vapor.gitFrequently asked questions
What is the difference between warp and Vapor?
warp: A Rust web server framework built from small composable filters for handling HTTP requests. Vapor: A web framework for building websites and APIs in the Swift programming language. warp suits rust developers building http apis or web servers, while Vapor suits swift developers who want to build backend services in the same language as their ios or macos apps.
Are warp and Vapor free?
warp: Free and open source. Vapor: Free and open source.
Is warp or Vapor more popular?
Vapor has more GitHub stars (26.2k) than warp (10.4k). Popularity isn't the same as fit — check which one matches your use case above.
What are other alternatives to warp and Vapor?
Other options people compare them with include axum, Gin, Kratos, GetX, Echo.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.