Rust runtime now in public beta for Vercel Functions
Vercel is launching first-class support for Rust as a runtime for Vercel Functions, bringing native integration with Fluid compute, HTTP streaming, Active CPU pricing, and increased environment variable limits up to 64KB. Rust deployments automatically integrate with Vercel's logging, observability, and monitoring systems.
Today, we are launching first-class support for the Rust runtime beta.
This new release of native support, as an evolution of the , brings the full benefits of Vercel Functions, including Fluid compute (with HTTP response streaming and Active CPU pricing) and an increased environment variable limit from 6KB to 64KB.community Rust runtime
Rust deployments automatically integrate with Vercel's existing logging, observability, and monitoring systems.
To get started, create a Cargo.toml file and a handler function like in the example below:
Deploy to Vercel today with one of our starter templates and , or read more in .Rust Hello WorldRust Axumthe Function docs
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