Brimble Sandboxes vs E2B

E2B costs $0.0504 per vCPU-hour. Brimble Sandboxes runs gVisor and limits a session to 6 hours. E2B runs Firecracker microVMs and limits a session to 24 hours.

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

E2B

Open-source sandbox platform that gives AI agents isolated machines.

Isolation: Firecracker microVM
Free tier: $100 credit, one time
Max session: 24 hours

Visit site E2B profile

What is different

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

Field

Brimble Sandboxes

E2B

Storage: Brimble Sandboxes: Snapshot storage and persistent volumes bill at storage rates; E2B: Free
Free tier: Brimble Sandboxes: 7-day Developer plan trial, card required; E2B: $100 credit, one time
Paid plan from: Brimble Sandboxes: $3 / month; E2B: $150 / month
Max session: Brimble Sandboxes: 6 hours; E2B: 24 hours
Largest sandbox: Brimble Sandboxes: 4 vCPU · 8 GiB; E2B: 8 vCPU · 8 GiB
Concurrent sandboxes: Brimble Sandboxes: Up to 15; E2B: Up to 100
Isolation: Brimble Sandboxes: gVisor; E2B: Firecracker microVM
SDKs: Brimble Sandboxes: JavaScript / TypeScript, Python, Go; E2B: Python, JavaScript / TypeScript
Integrations: Brimble Sandboxes: MCP, Claude Code; E2B: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP, Claude Code

Full comparison

18 fields, at each provider's list price

Brimble Sandboxesbrimble.io/pricing

E2Be2b.dev/pricing

Pricing

vCPU, per hour: Brimble Sandboxes: Not listed; E2B: $0.0504
RAM, per GiB-hour: Brimble Sandboxes: Not listed; E2B: $0.0162
Storage: Brimble Sandboxes: Snapshot storage and persistent volumes bill at storage rates; E2B: Free
Free tier: Brimble Sandboxes: 7-day Developer plan trial, card required; E2B: $100 credit, one time
Paid plan from: Brimble Sandboxes: $3 / month; E2B: $150 / month
Billing: Brimble Sandboxes: Per second; E2B: Per second

Limits

Max session: Brimble Sandboxes: 6 hours; E2B: 24 hours
Idle stop: Brimble Sandboxes: Not listed; E2B: Not listed
Largest sandbox: Brimble Sandboxes: 4 vCPU · 8 GiB; E2B: 8 vCPU · 8 GiB
Concurrent sandboxes: Brimble Sandboxes: Up to 15; E2B: Up to 100

Platform

Isolation: Brimble Sandboxes: gVisor; E2B: Firecracker microVM
GPU: Brimble Sandboxes: Not listed; E2B: No
Snapshots: Brimble Sandboxes:; E2B:
Pause and resume: Brimble Sandboxes:; E2B:

Developer

SDKs: Brimble Sandboxes: JavaScript / TypeScript, Python, Go; E2B: Python, JavaScript / TypeScript
Integrations: Brimble Sandboxes: MCP, Claude Code; E2B: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP, Claude Code

Trust

License: Brimble Sandboxes: Not listed; E2B: Apache-2.0
BYOC: Brimble Sandboxes: Not listed; E2B: Enterprise plan

Hourly cost

One sandbox running for one hour

Size

Brimble Sandboxes

E2B

1 vCPU · 2 GiB: Brimble Sandboxes: Not listed; E2B: $0.083
2 vCPU · 4 GiB: Brimble Sandboxes: Not listed; E2B: $0.166
4 vCPU · 8 GiB: Brimble Sandboxes: Not listed; E2B: $0.331

Compute only, at list rates.

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Which one fits

Based on the fields above

E2B fits when

A session must run longer than 6 hours.
You want each sandbox in its own microVM.
You want an open-source platform (Apache-2.0) that you can self-host.
You use LangChain, the OpenAI Agents SDK or the Vercel AI SDK.

More comparisons

See all comparisons

Brimble Sandboxes

E2B

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

E2B fits when

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