What is the best browser sandbox for an AI agent?

Anchor Browser tops this list. Anchor Browser provides cloud browser environments for AI agents, priced by monthly concurrency plan plus usage such as browser-hours, proxy data and AI steps. The full ranking, with methodology and dates, is below.

Ranked · neutral · dated

Best browser sandboxes for AI agents

A distinct category from code-execution sandboxes: these run a real cloud browser your agent drives to click, type and read the web. Ranked with pricing, isolation and best-fit notes.

Verified 2026-08-09

1

Anchor Browser AI browser sandbox
Monthly plan (by concurrency) + usage

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2

Browserbase AI browser sandbox
Per browser-hour + plan

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3

Hyperbrowser AI browser sandbox
Credit-based (1 credit = $0.001; $0.10/browser-hour)

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4

Kernel AI browser sandbox
Per GB-second (no idle/proxy charges) + plan · open source

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5

Steel AI browser sandbox
Per browser-hour + plan (open source self-host) · open source

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How we ranked this

All tracked browser-infrastructure providers for AI agents (a browser the agent operates, not a code runtime), listed alphabetically since they target different workloads. Headline browser-hour or usage pricing and open-source availability are shown per entry.

Rankings reflect published specs as of the verified date and are not paid placements. Corrections welcome at [email protected].

Best browser sandboxes for AI agents

How we ranked this

What moved in the sandbox world, every Friday.