E2B vs Sailboxes
E2B costs $0.0504 per vCPU-hour and Sailboxes costs $0.015 per vCPU-hour. E2B runs Firecracker microVMs and limits a session to 24 hours. Sailboxes runs full VMs and has no session limit.
Updated
E2B
- Isolation
- Firecracker microVM
- Free tier
- $100 credit, one time
- Max session
- 24 hours
Sailboxes
- Isolation
- Full VM
- Free tier
- $5 credit every month
- Max session
- No limit
What is different
9 fields differ. The rest are the same or not listed.
E2B
Sailboxes
- vCPU, per hour
- E2B: $0.0504
- Sailboxes: $0.015
- RAM, per GiB-hour
- E2B: $0.0162
- Sailboxes: $0.008
- Storage
- E2B: Free
- Sailboxes: $0.0007 per GiB-hour
- Free tier
- E2B: $100 credit, one time
- Sailboxes: $5 credit every month
- Paid plan from
- E2B: $150 / month
- Sailboxes: Pay as you go
- Max session
- E2B: 24 hours
- Sailboxes: No limit
- Concurrent sandboxes
- E2B: Up to 1,100
- Sailboxes: Up to 5,000
- Isolation
- E2B: Firecracker microVM
- Sailboxes: Full VM
- SDKs
- E2B: Python, JavaScript / TypeScript
- Sailboxes: Python, TypeScript, Rust
Full comparison
18 fields, at each provider's list price
Sailboxesdocs
Pricing
- vCPU, per hour
- E2B: $0.0504
- Sailboxes: $0.015
- RAM, per GiB-hour
- E2B: $0.0162
- Sailboxes: $0.008
- Storage
- E2B: Free
- Sailboxes: $0.0007 per GiB-hour
- Free tier
- E2B: $100 credit, one time
- Sailboxes: $5 credit every month
- Paid plan from
- E2B: $150 / month
- Sailboxes: Pay as you go
- Billing
- E2B: Per second
- Sailboxes: Per second
Limits
- Max session
- E2B: 24 hours
- Sailboxes: No limit
- Idle stop
- E2B: Not listed
- Sailboxes: Not listed
- Largest sandbox
- E2B: 8 vCPU · 8 GiB
- Sailboxes: Not listed
- Concurrent sandboxes
- E2B: Up to 1,100
- Sailboxes: Up to 5,000
Platform
- Isolation
- E2B: Firecracker microVM
- Sailboxes: Full VM
- GPU
- E2B: No
- Sailboxes: Not listed
- Snapshots
- E2B:
- Sailboxes:
- Pause and resume
- E2B:
- Sailboxes:
Developer
- SDKs
- E2B: Python, JavaScript / TypeScript
- Sailboxes: Python, TypeScript, Rust
- Integrations
- E2B: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP
- Sailboxes: Not listed
Trust
- License
- E2B: Apache-2.0
- Sailboxes: Not listed
- BYOC
- E2B: Enterprise plan
- Sailboxes: Not listed
Hourly cost
One sandbox running for one hour
E2B
Sailboxes
- 1 vCPU · 2 GiB
- E2B: $0.083
- Sailboxes: $0.031
- 2 vCPU · 4 GiB
- E2B: $0.166
- Sailboxes: $0.062
- 4 vCPU · 8 GiB
- E2B: $0.331
- Sailboxes: $0.124
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
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, the Vercel AI SDK or MCP.
- You want the larger free credit: $100 against $5.
Sailboxes fits when
- A session must run longer than 24 hours.
- You want to pay only for usage, with no plan fee.
- You want each sandbox to be a full VM.
- You want the lower list price: $0.062 against $0.166 an hour for 2 vCPU and 4 GiB.
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