Blaxel vs Cloudflare Sandbox
Blaxel bills memory only, at $0.0414 per GiB-hour. Cloudflare Sandbox costs $0.072 per vCPU-hour. Blaxel runs microVMs and has no session limit. Cloudflare Sandbox runs Firecracker microVMs.
Updated
Cloudflare Sandbox
- Isolation
- Firecracker microVM
- Free tier
- None
- Max session
- Not listed
What is different
9 fields differ. The rest are the same or not listed.
Blaxel
Cloudflare Sandbox
- vCPU, per hour
- Blaxel: Included
- Cloudflare Sandbox: $0.072
- RAM, per GiB-hour
- Blaxel: $0.0414
- Cloudflare Sandbox: $0.009
- Storage
- Blaxel: Snapshots $0.20 per GB per month. Volumes $0.12 per GB per month.
- Cloudflare Sandbox: $0.000252 per GiB-hour
- Free tier
- Blaxel: Credit of up to $200
- Cloudflare Sandbox: None
- Paid plan from
- Blaxel: Pay as you go
- Cloudflare Sandbox: $5 / month
- Billing
- Blaxel: Memory only
- Cloudflare Sandbox: Active CPU time only
- Isolation
- Blaxel: MicroVM
- Cloudflare Sandbox: Firecracker microVM
- SDKs
- Blaxel: Python, TypeScript, Go
- Cloudflare Sandbox: TypeScript
- Integrations
- Blaxel: OpenAI Agents SDK, Claude Agent SDK, MCP, Claude Code
- Cloudflare Sandbox: Claude Code
Full comparison
18 fields, at each provider's list price
Blaxelblaxel
Cloudflare Sandboxdevelopers
Pricing
- vCPU, per hour
- Blaxel: Included
- Cloudflare Sandbox: $0.072
- RAM, per GiB-hour
- Blaxel: $0.0414
- Cloudflare Sandbox: $0.009
- Storage
- Blaxel: Snapshots $0.20 per GB per month. Volumes $0.12 per GB per month.
- Cloudflare Sandbox: $0.000252 per GiB-hour
- Free tier
- Blaxel: Credit of up to $200
- Cloudflare Sandbox: None
- Paid plan from
- Blaxel: Pay as you go
- Cloudflare Sandbox: $5 / month
- Billing
- Blaxel: Memory only
- Cloudflare Sandbox: Active CPU time only
Limits
- Max session
- Blaxel: No limit
- Cloudflare Sandbox: Not listed
- Idle stop
- Blaxel: Not listed
- Cloudflare Sandbox: Not listed
- Largest sandbox
- Blaxel: Not listed
- Cloudflare Sandbox: 4 vCPU · 12 GiB
- Concurrent sandboxes
- Blaxel: Not listed
- Cloudflare Sandbox: Not listed
Platform
- Isolation
- Blaxel: MicroVM
- Cloudflare Sandbox: Firecracker microVM
- GPU
- Blaxel: Not listed
- Cloudflare Sandbox: Not listed
- Snapshots
- Blaxel:
- Cloudflare Sandbox:
- Pause and resume
- Blaxel:
- Cloudflare Sandbox: Not listed
Developer
- SDKs
- Blaxel: Python, TypeScript, Go
- Cloudflare Sandbox: TypeScript
- Integrations
- Blaxel: OpenAI Agents SDK, Claude Agent SDK, MCP, Claude Code
- Cloudflare Sandbox: Claude Code
Trust
- License
- Blaxel: Not listed
- Cloudflare Sandbox: Not listed
- BYOC
- Blaxel: Bring-your-own-metal in your VPC
- Cloudflare Sandbox: Not listed
Hourly cost
One sandbox running for one hour
Blaxel
Cloudflare Sandbox
- 1 vCPU · 2 GiB
- Blaxel: $0.083
- Cloudflare Sandbox: $0.090
- 2 vCPU · 4 GiB
- Blaxel: $0.166
- Cloudflare Sandbox: $0.180
- 4 vCPU · 8 GiB
- Blaxel: $0.331
- Cloudflare Sandbox: $0.360
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Blaxel fits when
- You want to pay only for usage, with no plan fee.
- You use the OpenAI Agents SDK, the Claude Agent 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.
Cloudflare Sandbox fits when
- Your code waits a lot: CPU is billed only while it is in use.
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