🔒Sandboxes & Browsers
Isolated code sandboxes, agent runtimes, and headless browser fleets.
Machine board /api/leaderboards?category=sandboxes-browsers. Editorial 0–10, not Arena Elo. Alternatives for the current top row: /alternatives/playwright.
Playwright (library)
The API you probably already use — under Browserbase/Steel/Browserless. Listed so agents don't confuse…
Puppeteer (library)
Still fine for Chrome-only scripts. New agent projects should prefer Playwright unless stuck on Puppeteer.
E2B
Depot default code sandbox for agents. Use for untrusted code; Daytona when you need persistent…
Modal
Depot darling for Python agent backends and bursty GPU jobs. If you think in functions not VMs, start here.
Browserbase
Depot default for agents that need a real browser. Pair with Stagehand/Browser Use for the reasoning loop.
Fly.io
Excellent for globally distributed agent sidecars and Machines-based sandboxes. Prefer Railway/Render if you…
Full ranking
| # | Provider | Overall | Fit | $/perf | Latency | DX | As of |
|---|---|---|---|---|---|---|---|
| 1 | Playwright (library) | 9.1 | 9.5 | 9.5 | 7.0 | 9.2 | 2026-09-14 |
| 2 | Puppeteer (library) | 8.8 | 8.8 | 9.5 | 6.8 | 8.8 | 2026-09-14 |
| 3 | E2B | 8.6 | 9.4 | 8.0 | 8.6 | 9.4 | 2026-09-14 |
| 4 | Modal | 8.4 | 9.0 | 8.2 | 8.6 | 9.6 | 2026-10-19 |
| 5 | Browserbase | 8.3 | 9.2 | 7.5 | 8.8 | 9.4 | 2026-10-19 |
| 6 | Fly.io | 8.3 | 8.8 | 8.2 | 8.0 | 8.8 | 2026-09-14 |
| 7 | Steel.dev | 8.3 | 8.6 | 8.5 | 8.0 | 8.6 | 2026-09-14 |
| 8 | Browserless | 8.3 | 8.8 | 7.8 | 8.6 | 8.5 | 2026-09-14 |
| 9 | Scrapfly | 8.3 | 8.6 | 8.0 | 8.2 | 8.8 | 2026-09-14 |
| 10 | Daytona | 8.2 | 8.8 | 8.2 | 8.2 | 8.8 | 2026-09-14 |
| 11 | Fly Machines | 8.2 | 8.5 | 8.5 | 8.2 | 8.0 | 2026-09-14 |
| 12 | Apify | 8.2 | 9.0 | 7.5 | 8.6 | 8.4 | 2026-09-14 |
| 13 | Restate | 8.2 | 8.6 | 7.8 | 8.8 | 8.4 | 2026-09-14 |
| 14 | Nango | 8.1 | 8.4 | 8.0 | 8.2 | 8.6 | 2026-09-14 |
| 15 | Deno Deploy | 8.1 | 7.8 | 8.5 | 8.6 | 9.0 | 2026-09-14 |
| 16 | Cloudflare Browser Rendering | 8.0 | 7.8 | 8.8 | 8.6 | 8.2 | 2026-09-14 |
| 17 | Cua | 8.0 | 8.8 | 8.0 | 7.6 | 8.6 | 2026-09-14 |
| 18 | Hatchet | 8.0 | 8.2 | 7.8 | 8.4 | 8.6 | 2026-09-14 |
| 19 | AWS Agent Registry | 8.0 | 8.6 | 8.0 | 8.8 | 7.8 | 2026-09-14 |
| 20 | BrowserStack | 8.0 | 9.0 | 6.2 | 9.0 | 8.0 | 2026-10-19 |
| 21 | TestMu AI (ex-LambdaTest) | 7.9 | 8.4 | 7.8 | 8.2 | 8.0 | 2026-09-14 |
| 22 | Sauce Labs | 7.9 | 8.8 | 6.2 | 8.8 | 7.8 | 2026-09-14 |
| 23 | Skyvern | 7.9 | 8.4 | 8.0 | 7.8 | 8.2 | 2026-09-14 |
| 24 | Hyperbrowser | 7.8 | 8.2 | 8.2 | 7.8 | 8.4 | 2026-09-14 |
| 25 | Google Cloud Agent Registry | 7.8 | 8.5 | 7.2 | 8.8 | 7.6 | 2026-09-14 |
| 26 | Genymotion Cloud | 7.8 | 7.8 | 7.4 | 8.2 | 8.0 | 2026-09-14 |
| 27 | AgentQL | 7.7 | 8.2 | 7.8 | 7.6 | 8.8 | 2026-09-14 |
| 28 | Smithery | 7.7 | 8.2 | 8.0 | 7.6 | 8.8 | 2026-09-14 |
| 29 | AWS Device Farm | 7.7 | 7.8 | 7.4 | 8.6 | 7.0 | 2026-09-14 |
| 30 | Upstash Box | 7.7 | 8.0 | 8.6 | 7.2 | 8.8 | 2026-09-14 |
| 31 | PulseMCP | 7.7 | 8.4 | 7.0 | 7.8 | 8.2 | 2026-09-14 |
| 32 | Composio | 7.6 | 8.2 | 7.5 | 7.8 | 8.8 | 2026-10-19 |
| 33 | Scrapybara | 7.6 | 8.4 | 7.8 | 7.4 | 8.2 | 2026-09-14 |
| 34 | Glama | 7.6 | 7.8 | 8.5 | 7.2 | 8.2 | 2026-09-14 |
| 35 | Northflank | 7.5 | 8.0 | 7.4 | 7.8 | 8.0 | 2026-09-14 |
| 36 | Browser Use Cloud | 7.4 | 8.0 | 7.8 | 7.0 | 8.4 | 2026-09-14 |
| 37 | Letta Cloud | 7.4 | 8.0 | 7.8 | 7.2 | 8.0 | 2026-09-14 |
| 38 | Kernel | 7.3 | 7.6 | 8.0 | 7.2 | 8.2 | 2026-09-14 |
| 39 | Anchor Browser | 7.2 | 7.8 | 7.2 | 7.2 | 8.0 | 2026-09-14 |