Agent Sandbox vs Blaxel

Blaxel bills memory only, at $0.0414 per GiB-hour. Agent Sandbox runs containers. Blaxel runs microVMs and has no session limit.

Updated

Agent Sandbox

Isolation
Container
Free tier
$10 credit with a Google sign-in
Max session
Not listed

Blaxel

Isolation
MicroVM
Free tier
Credit of up to $200
Max session
No limit

What is different

5 fields differ. The rest are the same or not listed.

Agent Sandbox
Blaxel
Storage
Agent Sandbox: $0.0005 per MB for output files
Blaxel: Snapshots $0.20 per GB per month. Volumes $0.12 per GB per month.
Free tier
Agent Sandbox: $10 credit with a Google sign-in
Blaxel: Credit of up to $200
Billing
Agent Sandbox: Per second
Blaxel: Memory only
Isolation
Agent Sandbox: Container
Blaxel: MicroVM
SDKs
Agent Sandbox: Python
Blaxel: Python, TypeScript, Go

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Agent Sandbox: Not listed
Blaxel: Included
RAM, per GiB-hour
Agent Sandbox: Not listed
Blaxel: $0.0414
Storage
Agent Sandbox: $0.0005 per MB for output files
Blaxel: Snapshots $0.20 per GB per month. Volumes $0.12 per GB per month.
Free tier
Agent Sandbox: $10 credit with a Google sign-in
Blaxel: Credit of up to $200
Paid plan from
Agent Sandbox: Pay as you go
Blaxel: Pay as you go
Billing
Agent Sandbox: Per second
Blaxel: Memory only

Limits

Max session
Agent Sandbox: Not listed
Blaxel: No limit
Idle stop
Agent Sandbox: After 5 minutes
Blaxel: Not listed
Largest sandbox
Agent Sandbox: Not listed
Blaxel: Not listed
Concurrent sandboxes
Agent Sandbox: Not listed
Blaxel: Not listed

Platform

Isolation
Agent Sandbox: Container
Blaxel: MicroVM
GPU
Agent Sandbox: Not listed
Blaxel: Not listed
Snapshots
Agent Sandbox: Not listed
Blaxel:
Pause and resume
Agent Sandbox: Not listed
Blaxel:

Developer

SDKs
Agent Sandbox: Python
Blaxel: Python, TypeScript, Go
Integrations
Agent Sandbox: Not listed
Blaxel: OpenAI Agents SDK, Claude Agent SDK, MCP

Trust

License
Agent Sandbox: Not listed
Blaxel: Not listed
BYOC
Agent Sandbox: Not listed
Blaxel: Bring-your-own-metal in your VPC

Hourly cost

One sandbox running for one hour

Agent Sandbox
Blaxel
1 vCPU · 2 GiB
Agent Sandbox: Not listed
Blaxel: $0.083
2 vCPU · 4 GiB
Agent Sandbox: Not listed
Blaxel: $0.166
4 vCPU · 8 GiB
Agent Sandbox: Not listed
Blaxel: $0.331

Compute only, at list rates.

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Which one fits

Based on the fields above

Blaxel fits when

  • You want each sandbox in its own microVM.
  • You use the OpenAI Agents SDK, the Claude Agent SDK or MCP.
  • You want the larger free credit: $200 against $10.
  • You need snapshots.

More comparisons

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