Firecracker consists of 83k lines of Rust, boots in 125ms, and powers AWS Lambda.
QEMU is a 1.4m-line C beast capable of emulating anything from a modern processor down to a Sound Blaster 16.
While most agent sandboxes opted for Firecracker, we chose QEMU. As agent capabilities become 100x more ambitious, simple function runtimes simply won't suffice.
We’re building the actual computers they need.
