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Box Cheapest, Most Powerful Sandboxes for Agents 📦
The cheapest, most powerful sandboxes for building profitable long-running agents as a service. Persistent Linux VMs with SSH, Docker inside, and IPv4 per machine. One command: `box new`. $20 = 555 hours of 4 vCPU / 8 GB. Bring any agent: Claude Code, Codex, OpenCode. Cheaper than E2B, Codespaces, or Daytona.