Caged vs E2B
Caged costs $0.06 per vCPU-hour and E2B costs $0.0504 per vCPU-hour. Caged runs Firecracker microVMs and limits a session to 4 hours. E2B runs Firecracker microVMs and limits a session to 24 hours.
Updated
Caged
- Isolation
- Firecracker microVM
- Free tier
- Free plan, 5 sandboxes a day
- Max session
- 4 hours
E2B
- Isolation
- Firecracker microVM
- Free tier
- $100 credit, one time
- Max session
- 24 hours
What is different
8 fields differ. The rest are the same or not listed.
Caged
E2B
- vCPU, per hour
- Caged: $0.06
- E2B: $0.0504
- RAM, per GiB-hour
- Caged: Included
- E2B: $0.0162
- Free tier
- Caged: Free plan, 5 sandboxes a day
- E2B: $100 credit, one time
- Paid plan from
- Caged: $29 / month
- E2B: $150 / month
- Billing
- Caged: Bundled machine time
- E2B: Per second
- Max session
- Caged: 4 hours
- E2B: 24 hours
- Concurrent sandboxes
- Caged: Up to 5
- E2B: Up to 1,100
- Integrations
- Caged: MCP
- E2B: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP
Full comparison
18 fields, at each provider's list price
Pricing
- vCPU, per hour
- Caged: $0.06
- E2B: $0.0504
- RAM, per GiB-hour
- Caged: Included
- E2B: $0.0162
- Storage
- Caged: Free
- E2B: Free
- Free tier
- Caged: Free plan, 5 sandboxes a day
- E2B: $100 credit, one time
- Paid plan from
- Caged: $29 / month
- E2B: $150 / month
- Billing
- Caged: Bundled machine time
- E2B: Per second
Limits
- Max session
- Caged: 4 hours
- E2B: 24 hours
- Idle stop
- Caged: Not listed
- E2B: Not listed
- Largest sandbox
- Caged: 8 vCPU · 8 GiB
- E2B: 8 vCPU · 8 GiB
- Concurrent sandboxes
- Caged: Up to 5
- E2B: Up to 1,100
Platform
- Isolation
- Caged: Firecracker microVM
- E2B: Firecracker microVM
- GPU
- Caged: Not listed
- E2B: No
- Snapshots
- Caged: Not listed
- E2B:
- Pause and resume
- Caged: Not listed
- E2B:
Developer
- SDKs
- Caged: Not listed
- E2B: Python, JavaScript / TypeScript
- Integrations
- Caged: MCP
- E2B: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP
Trust
- License
- Caged: Not listed
- E2B: Apache-2.0
- BYOC
- Caged: Not listed
- E2B: Enterprise plan
Hourly cost
One sandbox running for one hour
Caged
E2B
- 1 vCPU · 2 GiB
- Caged: $0.060
- E2B: $0.083
- 2 vCPU · 4 GiB
- Caged: $0.120
- E2B: $0.166
- 4 vCPU · 8 GiB
- Caged: $0.240
- E2B: $0.331
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Caged fits when
- You want the lower list price: $0.120 against $0.166 an hour for 2 vCPU and 4 GiB.
E2B fits when
- A session must run longer than 4 hours.
- 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 need snapshots.
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