Canonical Wago documentation
Wago compared with WAMR
A scoped, source-linked comparison of Wago and WAMR, including when to choose either runtime and what has not been benchmarked.
Short answer
Choose Wago when the host is Go and avoiding cgo/native-library integration is a hard deployment requirement.
Choose WAMR when you need a small embedded C runtime, microcontroller/RTOS targets, AOT deployment, or WAMR’s wider architecture and execution-mode matrix.
Operational differences
| Area | Wago | WAMR |
|---|---|---|
| Implementation | Go; no cgo | See the project’s current implementation and bindings |
| Execution terminology | Single-pass native compiler | C runtime with interpreter, AOT, Fast JIT, and LLVM JIT modes |
| Wago release maturity | Pre-v1 development/nightly channels; no stable v1 API promise | See the other project’s release and support policy |
| Known Wago gap | Wago targets three native OS/architecture pairs; WAMR documents a substantially broader embedded and architecture matrix. | Not applicable |
Benchmark scope
Wago publishes whole-process startup rows that include WAMR, but does not publish the same detailed stage-by-stage comparison used for wazero.
No result on this page should be treated as universal. Use identical versions, hardware, Wasm modules, warmup, and measurement boundaries.
Raw Wago data: project.json. Other-runtime primary source: https://github.com/bytecodealliance/wasm-micro-runtime.
Verification date
Wago facts: 2026-07-30, pinned to 7d8c58aa454a. Competitor descriptions last reviewed against the linked primary project source on 2026-07-29.