Blaxel vs Koyeb Sandboxes

Blaxel bills memory only, at $0.0414 per GiB-hour. Koyeb Sandboxes costs $0.0144 per vCPU-hour. Blaxel runs microVMs and has no session limit. Koyeb Sandboxes runs microVMs.

Updated

Blaxel

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

Koyeb Sandboxes

Isolation
MicroVM
Free tier
Not listed
Max session
Not listed

What is different

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

Blaxel
Koyeb Sandboxes
vCPU, per hour
Blaxel: Included
Koyeb Sandboxes: $0.0144
RAM, per GiB-hour
Blaxel: $0.0414
Koyeb Sandboxes: Included
Billing
Blaxel: Memory only
Koyeb Sandboxes: Bundled machine time
SDKs
Blaxel: Python, TypeScript, Go
Koyeb Sandboxes: Python, JavaScript

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Blaxel: Included
Koyeb Sandboxes: $0.0144
RAM, per GiB-hour
Blaxel: $0.0414
Koyeb Sandboxes: Included
Storage
Blaxel: Snapshots $0.20 per GB per month. Volumes $0.12 per GB per month.
Koyeb Sandboxes: Not listed
Free tier
Blaxel: Credit of up to $200
Koyeb Sandboxes: Not listed
Paid plan from
Blaxel: Pay as you go
Koyeb Sandboxes: Not listed
Billing
Blaxel: Memory only
Koyeb Sandboxes: Bundled machine time

Limits

Max session
Blaxel: No limit
Koyeb Sandboxes: Not listed
Idle stop
Blaxel: Not listed
Koyeb Sandboxes: Not listed
Largest sandbox
Blaxel: Not listed
Koyeb Sandboxes: Not listed
Concurrent sandboxes
Blaxel: Not listed
Koyeb Sandboxes: Not listed

Platform

Isolation
Blaxel: MicroVM
Koyeb Sandboxes: MicroVM
GPU
Blaxel: Not listed
Koyeb Sandboxes: Not listed
Snapshots
Blaxel:
Koyeb Sandboxes: Not listed
Pause and resume
Blaxel:
Koyeb Sandboxes: Not listed

Developer

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

Trust

License
Blaxel: Not listed
Koyeb Sandboxes: Not listed
BYOC
Blaxel: Bring-your-own-metal in your VPC
Koyeb Sandboxes: Not listed

Hourly cost

One sandbox running for one hour

Blaxel
Koyeb Sandboxes
1 vCPU · 2 GiB
Blaxel: $0.083
Koyeb Sandboxes: $0.014
2 vCPU · 4 GiB
Blaxel: $0.166
Koyeb Sandboxes: $0.029
4 vCPU · 8 GiB
Blaxel: $0.331
Koyeb Sandboxes: $0.058

Compute only, at list rates.

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Which one fits

Based on the fields above

Blaxel fits when

  • You use the OpenAI Agents SDK, the Claude Agent SDK or MCP.
  • You need snapshots.
  • You need pause and resume.
  • You need a desktop in the sandbox.

Koyeb Sandboxes fits when

  • You want the lower list price: $0.029 against $0.166 an hour for 2 vCPU and 4 GiB.

More comparisons

See all comparisons

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