Buddy Sandboxes vs E2B

Buddy Sandboxes costs $0.0144 per vCPU-hour and E2B costs $0.0504 per vCPU-hour. Buddy Sandboxes runs full VMs and has no session limit. E2B runs Firecracker microVMs and limits a session to 24 hours.

Updated

Buddy Sandboxes

Isolation
Full VM
Free tier
$1 of usage credit every month
Max session
No limit

E2B

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

What is different

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

Buddy Sandboxes
E2B
vCPU, per hour
Buddy Sandboxes: $0.0144
E2B: $0.0504
RAM, per GiB-hour
Buddy Sandboxes: $0.0144
E2B: $0.0162
Storage
Buddy Sandboxes: $0.00011 per GiB-hour
E2B: Free
Free tier
Buddy Sandboxes: $1 of usage credit every month
E2B: $100 credit, one time
Paid plan from
Buddy Sandboxes: $29 / month
E2B: $150 / month
Max session
Buddy Sandboxes: No limit
E2B: 24 hours
Largest sandbox
Buddy Sandboxes: 12 vCPU · 24 GiB
E2B: 8 vCPU · 8 GiB
Isolation
Buddy Sandboxes: Full VM
E2B: Firecracker microVM
SDKs
Buddy Sandboxes: TypeScript
E2B: Python, JavaScript / TypeScript
Integrations
Buddy 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

Pricing

vCPU, per hour
Buddy Sandboxes: $0.0144
E2B: $0.0504
RAM, per GiB-hour
Buddy Sandboxes: $0.0144
E2B: $0.0162
Storage
Buddy Sandboxes: $0.00011 per GiB-hour
E2B: Free
Free tier
Buddy Sandboxes: $1 of usage credit every month
E2B: $100 credit, one time
Paid plan from
Buddy Sandboxes: $29 / month
E2B: $150 / month
Billing
Buddy Sandboxes: Per second
E2B: Per second

Limits

Max session
Buddy Sandboxes: No limit
E2B: 24 hours
Idle stop
Buddy Sandboxes: Not listed
E2B: Not listed
Largest sandbox
Buddy Sandboxes: 12 vCPU · 24 GiB
E2B: 8 vCPU · 8 GiB
Concurrent sandboxes
Buddy Sandboxes: Not listed
E2B: Up to 100

Platform

Isolation
Buddy Sandboxes: Full VM
E2B: Firecracker microVM
GPU
Buddy Sandboxes: Not listed
E2B: No
Snapshots
Buddy Sandboxes:
E2B:
Pause and resume
Buddy Sandboxes:
E2B:

Developer

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

Trust

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

Hourly cost

One sandbox running for one hour

Buddy Sandboxes
E2B
1 vCPU · 2 GiB
Buddy Sandboxes: $0.043
E2B: $0.083
2 vCPU · 4 GiB
Buddy Sandboxes: $0.086
E2B: $0.166
4 vCPU · 8 GiB
Buddy Sandboxes: $0.173
E2B: $0.331

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Buddy Sandboxes fits when

  • A session must run longer than 24 hours.
  • You want each sandbox to be a full VM.
  • You want the lower list price: $0.086 against $0.166 an hour for 2 vCPU and 4 GiB.
  • You need a sandbox larger than 8 vCPU · 8 GiB.

E2B fits when

  • 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.
  • You want the larger free credit: $100 against $1.

More comparisons

See all comparisons

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