Features
Sub-90ms sandbox creation
Fully isolated sandboxes with dedicated kernel, filesystem, and network
Process execution with real-time output streaming
File system operations with CRUD permission controls
Native Git integration with secure credential handling
Built-in LSP support for multi-language analysis
Stateful environment snapshots for persistent sessions
Massive parallelization for concurrent AI workflows
Programmatic control via Python, TypeScript, Ruby, Go, Java SDKs
GPU compute (Nvidia H100, H200, RTX 4090, RTX 5090, RTX PRO 6000)
Web terminal, SSH, VNC, and VPN access
Webhooks for sandbox events
Step-based durable execution with automatic retries
Wait for events mid-execution to pause agents
Invoke other functions as steps in a workflow
Per-tenant concurrency and rate limiting via flow control
Full trace observability with failure replay
Fan out thousands of jobs per event
Serverless functions that persist state across invocations
Scheduled cron jobs with missed-run recovery
Long-running API endpoints (Durable Endpoints)
Deploy to any cloud (serverless, servers, etc.)
Local development in one command
Deferred Functions for fire-and-forget background work
Experiments for A/B testing step variants in production
Insights with SQL querying over runs, steps, traces
Scoring and Sessions for attaching quality signals
