Deno Sandbox vs E2B
Deno Sandbox costs $0.10 per vCPU-hour and E2B costs $0.0504 per vCPU-hour. Deno Sandbox runs Firecracker microVMs and limits a session to 30 minutes. E2B runs Firecracker microVMs and limits a session to 24 hours.
Updated
Deno Sandbox
- Isolation
- Firecracker microVM
- Free tier
- Not listed
- Max session
- 30 minutes
E2B
- Isolation
- Firecracker microVM
- Free tier
- $100 credit, one time
- Max session
- 24 hours
What is different
9 fields differ. The rest are the same or not listed.
Deno Sandbox
E2B
- vCPU, per hour
- Deno Sandbox: $0.10
- E2B: $0.0504
- RAM, per GiB-hour
- Deno Sandbox: $0.025
- E2B: $0.0162
- Storage
- Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
- E2B: Free
- Paid plan from
- Deno Sandbox: $20 / month
- E2B: $150 / month
- Billing
- Deno Sandbox: Active CPU time only
- E2B: Per second
- Max session
- Deno Sandbox: 30 minutes
- E2B: 24 hours
- Largest sandbox
- Deno Sandbox: 2 vCPU · 4 GiB
- E2B: 8 vCPU · 8 GiB
- Concurrent sandboxes
- Deno Sandbox: Up to 20
- E2B: Up to 1,100
- SDKs
- Deno Sandbox: JavaScript / TypeScript, Python
- E2B: Python, JavaScript / TypeScript
Full comparison
18 fields, at each provider's list price
Deno Sandboxdeno
Pricing
- vCPU, per hour
- Deno Sandbox: $0.10
- E2B: $0.0504
- RAM, per GiB-hour
- Deno Sandbox: $0.025
- E2B: $0.0162
- Storage
- Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
- E2B: Free
- Free tier
- Deno Sandbox: Not listed
- E2B: $100 credit, one time
- Paid plan from
- Deno Sandbox: $20 / month
- E2B: $150 / month
- Billing
- Deno Sandbox: Active CPU time only
- E2B: Per second
Limits
- Max session
- Deno Sandbox: 30 minutes
- E2B: 24 hours
- Idle stop
- Deno Sandbox: Not listed
- E2B: Not listed
- Largest sandbox
- Deno Sandbox: 2 vCPU · 4 GiB
- E2B: 8 vCPU · 8 GiB
- Concurrent sandboxes
- Deno Sandbox: Up to 20
- E2B: Up to 1,100
Platform
- Isolation
- Deno Sandbox: Firecracker microVM
- E2B: Firecracker microVM
- GPU
- Deno Sandbox: Not listed
- E2B: No
- Snapshots
- Deno Sandbox:
- E2B:
- Pause and resume
- Deno Sandbox: Not listed
- E2B:
Developer
- SDKs
- Deno Sandbox: JavaScript / TypeScript, Python
- E2B: Python, JavaScript / TypeScript
- Integrations
- Deno Sandbox: Not listed
- E2B: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP
Trust
- License
- Deno Sandbox: Not listed
- E2B: Apache-2.0
- BYOC
- Deno Sandbox: Not listed
- E2B: Enterprise plan
Hourly cost
One sandbox running for one hour
Deno Sandbox
E2B
- 1 vCPU · 2 GiB
- Deno Sandbox: $0.150
- E2B: $0.083
- 2 vCPU · 4 GiB
- Deno Sandbox: $0.300
- E2B: $0.166
- 4 vCPU · 8 GiB
- Deno Sandbox: $0.600
- E2B: $0.331
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Deno Sandbox fits when
- Your code waits a lot: CPU is billed only while it is in use.
- You need SOC 2 and ISO 27001.
E2B fits when
- A session must run longer than 30 minutes.
- You want an open-source platform (Apache-2.0) that you can self-host.
- You use LangChain, the OpenAI Agents SDK, the Vercel AI SDK or MCP.
- You want the lower list price: $0.166 against $0.300 an hour for 2 vCPU and 4 GiB.
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