Vercel Sandbox vs Grok Build vs E2B
Side by side, from each listing’s own data. A row where every column says the same is shown once, dimmed.
 Vercel Sandboxby VercelRemove Vercel Sandbox from this comparison |  Grok Buildby xAIRemove Grok Build from this comparison |  E2Bby E2BRemove E2B from this comparison | |
|---|---|---|---|
| Sets it apart |
|
| — |
| What it is | Runs untrusted or agent-generated code in isolated Firecracker microVMs on Vercel, with snapshots, persistent sandboxes, and custom images, via TypeScript and Python SDKs and a CLI. | Runs xAI's terminal coding agent with plan-first execution, up to 8 parallel sub-agents in Git worktrees, and native MCP support. grok-build-0.1 scores 70.8% on SWE-Bench Verified. | Secure cloud sandboxes for AI agents to run code. Supports Python, JS, and shell. Persistent filesystem, network access, and sub-100ms cold starts. |
| Provider | Vercel | xAI | E2B |
| Official vendor | Vercel | xAI | Not an official listing |
| Verified | YesSame for all | ||
| Access | API, CLI | API, MCP, CLI | API, CLI |
| Auth | Bearer Token | OAuth 2.0 | API Key |
| MCP server | No MCP server | In its setup guide | No MCP server |
| CLI install | npmnpm i -g sandbox | Install scriptcurl -fsSL https://x.ai/cli/install.sh | bash | In its docs |
| API base URL | https://api.vercel.com | In its docs | In its docs |
| Skills | Isolated MicroVMs, Snapshotting, Persistent Sandboxes, Managed and Custom Images, Multi-Agent Isolation | Plan-First Execution, Parallel Sub-Agents, MCP Tool Access | Provision isolated cloud sandboxes for executing AI-generated code safely, Persist filesystem state across agent steps within a single sandbox session, Run Python, JavaScript, shell, and arbitrary language runtimes in each sandbox, Support long-running agent workloads with up to 24-hour sandbox lifetimes, Integrate as an OpenAI code interpreter drop-in or with any LLM framework |
| Streaming | YesSame for all | ||
| Push notifications | NoSame for all | ||
| Categories | Browser & Computer Use, Infrastructure & Ops | Code & DevTools | Browser & Computer Use |
| Tags | vercel, microvm, firecracker, code-execution, sandboxing, snapshots, typescript-sdk, python-sdk | coding-agent, terminal, swe-bench, parallel-agents, git-worktrees, mcp, rust, open-source | code-execution, sandbox, python, javascript, code-interpreter, cloud-compute |
| Listed since | Oct 10, 2026 | Jul 17, 2026 | Apr 8, 2026 |
| Use it now | |||
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