arm64
Can I run arm64 and x64 jobs in the same workflow?
Quick answer
Yes. Use a matrix with a different runner label per architecture.
The detail that matters
Remember to include the architecture in your cache keys or the two will overwrite each other.
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Start free. Migrating away is the same one line, and we publish that diff too.
Related
Can GitHub Actions run arm64?Yes. GitHub offers arm64 runners on paid plans, and managed providers including runnerhut offer them on all plans.Can I build arm64 images on an x64 runner?Yes, with QEMU — but it is 5–40× slower than building natively.What changes when moving from x64 to arm64?Native modules, Python wheels, and any x86 assembly need aarch64 support. Most mainstream dependencies now have it.Do arm64 runners support buildx?Yes, and on native arm64 hardware buildx produces arm64 images with no emulation.