Developer tools · Vendor site 2026-10-04
Tokio is the asynchronous runtime for Rust that powers network services with multi-threaded scheduling, timers, and I/O primitives. The project site documents the runtime plus ecosystem crates such as Hyper, Tonic, Tower, and Mio for building reliable concurrent applications.
Understand the total cost
Free
Free
Tokio is open-source Rust runtime software distributed via the project site and repositories without a commercial license fee on the homepage.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
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Yes. tokio has an ongoing free plan. Tokio is open-source Rust runtime software distributed via the project site and repositories without a commercial license fee on the homepage.
tokio is listed as free. No paid plan with a published price was found.
We could not confirm API access for tokio.