Brimble Sandboxes vs Celesto Cloud

Celesto Cloud costs $0.015 per vCPU-hour. Brimble Sandboxes runs gVisor and limits a session to 6 hours. Celesto Cloud runs microVMs.

Updated Oct 23, 2026

Brimble Sandboxes

Sandbox product of the Brimble hosting platform that runs code in gVisor containers.

Isolation: gVisor
Free tier: 7-day Developer plan trial, card required
Max session: 6 hours

Visit site Brimble Sandboxes profile

Celesto Cloud

Cloud computers for AI agents, each in a microVM.

Isolation: MicroVM
Free tier: $5 runtime credit, one time, 30 days
Max session: Not listed

Visit site Celesto Cloud profile

What is different

9 fields differ. The rest are the same or not listed.

Field

Brimble Sandboxes

Celesto Cloud

Storage: Brimble Sandboxes: Snapshot storage and persistent volumes bill at storage rates; Celesto Cloud: Free
Free tier: Brimble Sandboxes: 7-day Developer plan trial, card required; Celesto Cloud: $5 runtime credit, one time, 30 days
Paid plan from: Brimble Sandboxes: $3 / month; Celesto Cloud: Pay as you go
Billing: Brimble Sandboxes: Per second; Celesto Cloud: Bundled machine time
Largest sandbox: Brimble Sandboxes: 4 vCPU · 8 GiB; Celesto Cloud: 8 vCPU · 32 GiB
Concurrent sandboxes: Brimble Sandboxes: Up to 15; Celesto Cloud: Up to 10
Isolation: Brimble Sandboxes: gVisor; Celesto Cloud: MicroVM
SDKs: Brimble Sandboxes: JavaScript / TypeScript, Python, Go; Celesto Cloud: Python, JavaScript / TypeScript
Integrations: Brimble Sandboxes: MCP, Claude Code; Celesto Cloud: MCP, OpenAI Agents SDK, Claude Code

Full comparison

18 fields, at each provider's list price

Brimble Sandboxesbrimble.io/pricing

Celesto Cloudcelesto.ai/pricing

Pricing

vCPU, per hour: Brimble Sandboxes: Not listed; Celesto Cloud: $0.015
RAM, per GiB-hour: Brimble Sandboxes: Not listed; Celesto Cloud: Included
Storage: Brimble Sandboxes: Snapshot storage and persistent volumes bill at storage rates; Celesto Cloud: Free
Free tier: Brimble Sandboxes: 7-day Developer plan trial, card required; Celesto Cloud: $5 runtime credit, one time, 30 days
Paid plan from: Brimble Sandboxes: $3 / month; Celesto Cloud: Pay as you go
Billing: Brimble Sandboxes: Per second; Celesto Cloud: Bundled machine time

Limits

Max session: Brimble Sandboxes: 6 hours; Celesto Cloud: Not listed
Idle stop: Brimble Sandboxes: Not listed; Celesto Cloud: Not listed
Largest sandbox: Brimble Sandboxes: 4 vCPU · 8 GiB; Celesto Cloud: 8 vCPU · 32 GiB
Concurrent sandboxes: Brimble Sandboxes: Up to 15; Celesto Cloud: Up to 10

Platform

Isolation: Brimble Sandboxes: gVisor; Celesto Cloud: MicroVM
GPU: Brimble Sandboxes: Not listed; Celesto Cloud: Not listed
Snapshots: Brimble Sandboxes:; Celesto Cloud:
Pause and resume: Brimble Sandboxes:; Celesto Cloud:

Developer

SDKs: Brimble Sandboxes: JavaScript / TypeScript, Python, Go; Celesto Cloud: Python, JavaScript / TypeScript
Integrations: Brimble Sandboxes: MCP, Claude Code; Celesto Cloud: MCP, OpenAI Agents SDK, Claude Code

Trust

License: Brimble Sandboxes: Not listed; Celesto Cloud: Apache-2.0
BYOC: Brimble Sandboxes: Not listed; Celesto Cloud: Not listed

Hourly cost

One sandbox running for one hour

Size

Brimble Sandboxes

Celesto Cloud

1 vCPU · 2 GiB: Brimble Sandboxes: Not listed; Celesto Cloud: $0.015
2 vCPU · 4 GiB: Brimble Sandboxes: Not listed; Celesto Cloud: $0.030
4 vCPU · 8 GiB: Brimble Sandboxes: Not listed; Celesto Cloud: $0.060

Compute only, at list rates.

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Which one fits

Based on the fields above

Celesto Cloud fits when

You want to pay only for usage, with no plan fee.
You want each sandbox in its own microVM.
You want an open-source platform (Apache-2.0).
You use the OpenAI Agents SDK.

More comparisons

See all comparisons

Brimble Sandboxes

Celesto Cloud

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Celesto Cloud fits when

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