Browser platforms / Browser Use Cloud alternative

A Browser Use Cloud alternative for the agent’s durable Linux computer

Browser Use Cloud offers managed browser agents and standalone browser infrastructure. In V4, conversation sessions, persistent file workspaces and browser profiles are separate resources. Compare those scopes with a whole writable Linux RootFS instead of assuming that a returning conversation means the same browser or computer is still running.

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Reviewed 2026-10-18 · Published by the Sandbox0 team

When Browser Use Cloud fits

Browser Use Cloud fits teams that want a managed browser agent, hosted browser sessions, profiles, live view and integrated model orchestration. The open-source library is a separate integration surface. Preserve the agent and browser services you need when changing underlying execution infrastructure.

When to consider Sandbox0

Consider Sandbox0 when you run your own agent and need installed tools, system configuration and accumulating outputs in one durable Linux environment. Retain or implement the browser harness, model orchestration, proxies and human interaction separately.

Capabilities

Browser Use Cloud and Sandbox0: what persists?

Feature comparison with documentation and verification status
Environment and runtime lifetimeBrowser Use CloudLive V4 browsers have a four-hour hard timeout; saved conversations, workspaces and profiles have distinct lifecycles.View evidence ↗Sandbox0ttl and hard_ttl default to 0 (disabled). Configure idle pause and deletion policies for the same persistent sandbox identity; an idle running sandbox still accrues compute charges.Read documentation →
Persistent filesBrowser Use CloudV4 workspace files persist across runs, including later sessions; concurrent writes require coordination.View evidence ↗Sandbox0The writable RootFS survives successful checkpoints, including software, system configuration, dependencies, and user data.Read documentation →
Whole RootFSBrowser Use CloudDocumented workspace synchronization does not establish complete mutable Linux RootFS retention.View evidence ↗Sandbox0Persistence extends beyond /workspace to paths such as /usr/local, /etc, and /home. Runtime tmpfs and virtual filesystems are excluded.Read documentation →
Release compute, keep stateBrowser Use CloudConversation continuation and temporary live-browser keepAlive do not establish a complete-machine compute-release pause.View evidence ↗Sandbox0Pause compute between tasks; resume on available capacity. Default resume starts fresh processes from the saved filesystem.Read documentation →
Memory and process stateBrowser Use CloudProfiles retain browser data; the reviewed guides do not establish arbitrary process-memory checkpoint restoration.View evidence ↗Sandbox0Experimental memory checkpoints can preserve compatible process state. Use memory: true on both pause and resume on a compatible deployment. A filesystem checkpoint alone does not preserve running processes.Read documentation →

Online RootFS growth

On growth-enabled images, Sandbox0 automatically expands the writable RootFS as free space runs low, within a configured sparse logical ceiling up to 64 TiB. Agent processes keep running. Growth is enabled in the qualified Cloud region; confirm activation for other regions. Existing images and snapshots retain their captured storage geometry. The ceiling is logical capacity, not preallocated host disk.

Persistent workspace files and reusable browser profiles are useful, but a bounded upload allowance does not provide automatic online growth of the entire Linux RootFS. Check file quotas independently from temporary agent storage and browser lifetime.

Files while compute is paused

Sandbox0's Files API reads persistent files without resuming compute. Filesystem-only pauses also permit edits; retained-memory pauses are read-only and reject mutations with 409. SSH, SFTP, file watching, and runtime-only mounts require running compute.

The workspace file APIs store and retrieve artifacts across runs. This is distinct from accessing arbitrary persistent operating-system files while Sandbox0 guest compute is paused.

See paused file operations →

A workspace and a profile solve separate persistence problems

V4 workspaces synchronize inputs, scripts and generated files between runs; they are not a live shared filesystem for simultaneous writers. Profiles persist cookies, local storage and login state. The workspace guide lists a 950 MiB upload allowance and 50 MiB per file, separate from the agent’s 1 GiB persistent disk and temporary running storage.

Source 1 ↗Source 2 ↗

A conversation can survive after its browser has stopped

After the last V4 run, agent browsers normally stop in roughly two to three minutes; later follow-ups get a fresh browser with the profile, not old tabs. keepAlive can extend the wait, but live browsers have a four-hour hard timeout. Idle agent browsers remain billable even when they do not occupy a concurrency slot.

Source 1 ↗

BYOK still has an orchestration charge

Current Cloud billing is pay as you go, with no new recurring subscription required. With a supported provider key, the provider bills tokens and Browser Use charges 20% of corresponding published token rates, plus browser/network usage. Purchased credits do not expire; concurrency tiers depend on qualifying project payments, not the remaining balance.

Source 1 ↗Source 2 ↗

Pricing

Compare billing models, then price your workload

CPU allocation, memory, billing minimums, disk, plan fees, and supported workload differ. These meters are not equal-performance machine quotes. Confirm region, resource units, and included allowances before estimating a total.

Browser Use Cloud

Pricing reviewed 2026-10-18

Cloud subscription
No new recurring subscription required
Rate source ↗
Browser time
$0.02/hour
Rounded up to whole minutes, one-minute minimum.
Rate source ↗
Managed residential proxy
$5/GB
Rate source ↗
Direct or customer-proxy egress
$0.20/GB
Your external proxy provider can charge separately.
Rate source ↗
Managed agent models
Provider model cost plus 20%
Published model tables already include the fee; browser time and traffic are extra.
Rate source ↗
Supported BYOK
Provider tokens plus Browser Use fee of 20% of published token rates
Cached-token and provider-specific cache-write rules apply.
Rate source ↗
Minimum top-up
$5
Purchased credits do not expire; eligible signup credit is a separate one-time grant.
Rate source ↗

Standalone browser creation charges upfront and proportionally refunds unused time when stopped, subject to minute rounding. Closing CDP is not the cloud stop operation. Legacy subscribers retain applicable terms; do not apply old subscription allowances to new pay-as-you-go accounts. Benchmark task costs on the price page exclude some infrastructure costs and are not an all-in Cloud rate.

Check current Browser Use Cloud pricing ↗

Sandbox0

$0.015/GiB-hour compute (billed by the second at approximately $0.000004167/GiB-second), plus $0.02/GiB-month of retained incremental RootFS and memory checkpoint data. Shared base images and platform recovery retention are excluded; paused sandboxes accrue storage charges only.

Compute / GiB-hour
$0.015
Retained data / GiB-month
$0.02
Paused compute
$0.00

A 4 GiB agent, 100 running hours

$6.00 compute

4 GiB × 100 hours, billed by the second. Keeping 20 GiB of billable incremental data for a full billing month adds $0.40. CPU is derived from memory by the platform; choose a tier that fits your workload.

Understand storage billing →

Before migrating from Browser Use Cloud

  1. Inventory V4 conversation, workspace and profile IDs separately, export required artifacts, and record paid-project, model/BYOK and browser lifecycle settings.
  2. Move compatible Linux execution to Sandbox0 while retaining or replacing the managed browser agent, browser infrastructure and model/provider integrations.
  3. Test browser login and file synchronization separately from system tools, online growth, paused files, four-hour browser recovery and total model/browser/network cost.

Common questions

Is Sandbox0 a drop-in Browser Use Cloud replacement?

Evaluate API compatibility and product scope. These products serve different core workflows, so a change may require a different architecture.

Does keeping files also keep a running agent?

Filesystem state and volatile process state are separate. Sandbox0 requires explicit compatible memory checkpoints to preserve running processes; its default filesystem resume starts fresh processes.

Sources and review scope

The Boat team's Battleships directory is the discovery source. References below describe the product and plan discussed on this page. Check current availability, regional terms and billing units before migrating. Where the cited material does not establish a capability or price, the comparison identifies that uncertainty.

Battleships research record ↗docs.browser-use.com/cloud/agent/workspaces.md ↗docs.browser-use.com/cloud/guides/authentication.md ↗docs.browser-use.com/cloud/guides/concurrency.md ↗browser-use.com/pricing ↗docs.browser-use.com/cloud/guides/billing ↗Sandbox0 RootFS capacity →

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