E2B vs Smol Machines
E2B costs $0.0504 per vCPU-hour and Smol Machines costs $0.05 per vCPU-hour. E2B runs Firecracker microVMs and limits a session to 24 hours. Smol Machines runs microVMs.
Updated
E2B
- Isolation
- Firecracker microVM
- Free tier
- $100 credit, one time
- Max session
- 24 hours
Smol Machines
- Isolation
- MicroVM
- Free tier
- $100 credit, one time
- Max session
- Not listed
What is different
9 fields differ. The rest are the same or not listed.
E2B
Smol Machines
- vCPU, per hour
- E2B: $0.0504
- Smol Machines: $0.05
- Storage
- E2B: Free
- Smol Machines: $0.0001 per GiB-hour
- Paid plan from
- E2B: $150 / month
- Smol Machines: Pay as you go
- Billing
- E2B: Per second
- Smol Machines: Active CPU time only
- Largest sandbox
- E2B: 8 vCPU · 8 GiB
- Smol Machines: 32 vCPU · 32 GiB
- Concurrent sandboxes
- E2B: Up to 100
- Smol Machines: Up to 1,000
- Isolation
- E2B: Firecracker microVM
- Smol Machines: MicroVM
- Snapshots
- E2B:
- Smol Machines: No
- SDKs
- E2B: Python, JavaScript / TypeScript
- Smol Machines: TypeScript, Python, Rust
Full comparison
18 fields, at each provider's list price
Smol Machinessmolmachines
Pricing
- vCPU, per hour
- E2B: $0.0504
- Smol Machines: $0.05
- RAM, per GiB-hour
- E2B: $0.0162
- Smol Machines: $0.0162
- Storage
- E2B: Free
- Smol Machines: $0.0001 per GiB-hour
- Free tier
- E2B: $100 credit, one time
- Smol Machines: $100 credit, one time
- Paid plan from
- E2B: $150 / month
- Smol Machines: Pay as you go
- Billing
- E2B: Per second
- Smol Machines: Active CPU time only
Limits
- Max session
- E2B: 24 hours
- Smol Machines: Not listed
- Idle stop
- E2B: Not listed
- Smol Machines: Not listed
- Largest sandbox
- E2B: 8 vCPU · 8 GiB
- Smol Machines: 32 vCPU · 32 GiB
- Concurrent sandboxes
- E2B: Up to 100
- Smol Machines: Up to 1,000
Platform
- Isolation
- E2B: Firecracker microVM
- Smol Machines: MicroVM
- GPU
- E2B: No
- Smol Machines: No
- Snapshots
- E2B:
- Smol Machines: No
- Pause and resume
- E2B:
- Smol Machines:
Developer
- SDKs
- E2B: Python, JavaScript / TypeScript
- Smol Machines: TypeScript, Python, Rust
- Integrations
- E2B: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP, Claude Code
- Smol Machines: Not listed
Trust
- License
- E2B: Apache-2.0
- Smol Machines: Apache-2.0
- BYOC
- E2B: Enterprise plan
- Smol Machines: Not listed
Hourly cost
One sandbox running for one hour
E2B
Smol Machines
- 1 vCPU · 2 GiB
- E2B: $0.083
- Smol Machines: $0.082
- 2 vCPU · 4 GiB
- E2B: $0.166
- Smol Machines: $0.165
- 4 vCPU · 8 GiB
- E2B: $0.331
- Smol Machines: $0.330
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
E2B fits when
- You use LangChain, the OpenAI Agents SDK, the Vercel AI SDK, MCP or Claude Code.
- You need snapshots.
- You need a desktop in the sandbox.
- You need the sandboxes in your own cloud account.
Smol Machines fits when
- You want to pay only for usage, with no plan fee.
- You want the lower list price: $0.165 against $0.166 an hour for 2 vCPU and 4 GiB.
- Your code waits a lot: CPU is billed only while it is in use.
- You need a sandbox larger than 8 vCPU · 8 GiB.
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