SkyPilot Sandboxes (announced by @zongheng_yang on 2026-06-12) lets teams run BYOC sandboxes on their own clusters, claiming support for 50,000+ sandboxes per cluster and sub‑second launches via warm pools. The post emphasizes benefits for RL rollout close to GPUs and cites benchmarks showing 4–10x cost savings versus Modal with lower latency; detailed results are on SkyPilot’s blog.
@zongheng_yang (2026-06-12) claims most AI teams pay >4x markup to run sandboxes on third‑party machines.
Sandboxes are all the rage (Modal, E2B, AWS, ..). Most AI teams pay a >4x markup to run sandboxes on someone else's machines.
Introducing SkyPilot Sandboxes — Run BYOC sandboxes on your own clusters.
• 50,000+ sandboxes on a single cluster
• Sub-second launches with warm pools
• Great for RL rollout (keep sandbox clusters close to GPUs)
Benchmark shows @skypilot_org Sandboxes are 4-10x cheaper than Modal at lower latency. Full results in blog.