Cloudflare Sandbox vs E2B
Cloudflare Sandbox costs $0.072 per vCPU-hour and E2B costs $0.0504 per vCPU-hour. Cloudflare Sandbox runs Firecracker microVMs. E2B runs Firecracker microVMs and limits a session to 24 hours.
Updated
Cloudflare Sandbox
- Isolation
- Firecracker microVM
- Free tier
- None
- Max session
- Not listed
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.
Cloudflare Sandbox
E2B
- vCPU, per hour
- Cloudflare Sandbox: $0.072
- E2B: $0.0504
- RAM, per GiB-hour
- Cloudflare Sandbox: $0.009
- E2B: $0.0162
- Storage
- Cloudflare Sandbox: $0.000252 per GiB-hour
- E2B: Free
- Free tier
- Cloudflare Sandbox: None
- E2B: $100 credit, one time
- Paid plan from
- Cloudflare Sandbox: $5 / month
- E2B: $150 / month
- Billing
- Cloudflare Sandbox: Active CPU time only
- E2B: Per second
- Largest sandbox
- Cloudflare Sandbox: 4 vCPU · 12 GiB
- E2B: 8 vCPU · 8 GiB
- SDKs
- Cloudflare Sandbox: TypeScript
- E2B: Python, JavaScript / TypeScript
- Integrations
- Cloudflare Sandbox: Claude Code
- E2B: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP, Claude Code
Full comparison
18 fields, at each provider's list price
Cloudflare Sandboxdevelopers
Pricing
- vCPU, per hour
- Cloudflare Sandbox: $0.072
- E2B: $0.0504
- RAM, per GiB-hour
- Cloudflare Sandbox: $0.009
- E2B: $0.0162
- Storage
- Cloudflare Sandbox: $0.000252 per GiB-hour
- E2B: Free
- Free tier
- Cloudflare Sandbox: None
- E2B: $100 credit, one time
- Paid plan from
- Cloudflare Sandbox: $5 / month
- E2B: $150 / month
- Billing
- Cloudflare Sandbox: Active CPU time only
- E2B: Per second
Limits
- Max session
- Cloudflare Sandbox: Not listed
- E2B: 24 hours
- Idle stop
- Cloudflare Sandbox: Not listed
- E2B: Not listed
- Largest sandbox
- Cloudflare Sandbox: 4 vCPU · 12 GiB
- E2B: 8 vCPU · 8 GiB
- Concurrent sandboxes
- Cloudflare Sandbox: Not listed
- E2B: Up to 1,100
Platform
- Isolation
- Cloudflare Sandbox: Firecracker microVM
- E2B: Firecracker microVM
- GPU
- Cloudflare Sandbox: Not listed
- E2B: No
- Snapshots
- Cloudflare Sandbox:
- E2B:
- Pause and resume
- Cloudflare Sandbox: Not listed
- E2B:
Developer
- SDKs
- Cloudflare Sandbox: TypeScript
- E2B: Python, JavaScript / TypeScript
- Integrations
- Cloudflare Sandbox: Claude Code
- E2B: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP, Claude Code
Trust
- License
- Cloudflare Sandbox: Not listed
- E2B: Apache-2.0
- BYOC
- Cloudflare Sandbox: Not listed
- E2B: Enterprise plan
Hourly cost
One sandbox running for one hour
Cloudflare Sandbox
E2B
- 1 vCPU · 2 GiB
- Cloudflare Sandbox: $0.090
- E2B: $0.083
- 2 vCPU · 4 GiB
- Cloudflare Sandbox: $0.180
- E2B: $0.166
- 4 vCPU · 8 GiB
- Cloudflare Sandbox: $0.360
- E2B: $0.331
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Cloudflare Sandbox fits when
- Your code waits a lot: CPU is billed only while it is in use.
E2B fits when
- 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 $0.180 an hour for 2 vCPU and 4 GiB.
- You want to start without paying.
More comparisons
Agent Sandbox vs Cloudflare Sandbox- Agent Sandbox vs E2B
Agent37 Cloud vs Cloudflare Sandbox- Agent37 Cloud vs E2B
AgentBay vs Cloudflare Sandbox- AgentBay vs E2B
- Alibaba Cloud Agent Sandbox vs Cloudflare Sandbox
- Alibaba Cloud Agent Sandbox vs E2B