Blaxel vs Docker Sandboxes

Blaxel bills memory only, at $0.0414 per GiB-hour. Docker Sandboxes costs $0.07 per vCPU-hour. Blaxel runs microVMs and has no session limit. Docker Sandboxes runs microVMs.

Updated Oct 14, 2026

Blaxel

Sandboxes that pause when idle and resume with state.

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

Visit site Blaxel profile

Docker Sandboxes

Cloud microVM sandboxes for coding agents, run by Docker.

Isolation: MicroVM
Free tier: One-time promotional credit for cloud compute
Max session: Not listed

Visit site Docker Sandboxes profile

What is different

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

Field

Blaxel

Docker Sandboxes

vCPU, per hour: Blaxel: Included; Docker Sandboxes: $0.07
RAM, per GiB-hour: Blaxel: $0.0414; Docker Sandboxes: Included
Free tier: Blaxel: Credit of up to $200; Docker Sandboxes: One-time promotional credit for cloud compute
Billing: Blaxel: Memory only; Docker Sandboxes: Bundled machine time
SDKs: Blaxel: Python, TypeScript, Go; Docker Sandboxes: JavaScript / TypeScript
Integrations: Blaxel: OpenAI Agents SDK, Claude Agent SDK, MCP; Docker Sandboxes: MCP

Full comparison

18 fields, at each provider's list price

Blaxelblaxel.ai/pricing

Docker Sandboxesdocker.com/products/docker-sandboxesdocker.com

Pricing

vCPU, per hour: Blaxel: Included; Docker Sandboxes: $0.07
RAM, per GiB-hour: Blaxel: $0.0414; Docker Sandboxes: Included
Storage: Blaxel: Snapshots $0.20 per GB per month. Volumes $0.12 per GB per month.; Docker Sandboxes: Not listed
Free tier: Blaxel: Credit of up to $200; Docker Sandboxes: One-time promotional credit for cloud compute
Paid plan from: Blaxel: Pay as you go; Docker Sandboxes: Pay as you go
Billing: Blaxel: Memory only; Docker Sandboxes: Bundled machine time

Limits

Max session: Blaxel: No limit; Docker Sandboxes: Not listed
Idle stop: Blaxel: Not listed; Docker Sandboxes: Not listed
Largest sandbox: Blaxel: Not listed; Docker Sandboxes: 16 vCPU · 32 GiB
Concurrent sandboxes: Blaxel: Not listed; Docker Sandboxes: Up to 10

Platform

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

Developer

SDKs: Blaxel: Python, TypeScript, Go; Docker Sandboxes: JavaScript / TypeScript
Integrations: Blaxel: OpenAI Agents SDK, Claude Agent SDK, MCP; Docker Sandboxes: MCP

Trust

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

Hourly cost

One sandbox running for one hour

Size

Blaxel

Docker Sandboxes

1 vCPU · 2 GiB: Blaxel: $0.083; Docker Sandboxes: $0.070
2 vCPU · 4 GiB: Blaxel: $0.166; Docker Sandboxes: $0.140
4 vCPU · 8 GiB: Blaxel: $0.331; Docker Sandboxes: $0.280

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 or the Claude Agent SDK.
You need a desktop in the sandbox.
You need the sandboxes in your own cloud account.
You want one rate for memory, with CPU included.

Docker Sandboxes fits when

You want the lower list price: $0.140 against $0.166 an hour for 2 vCPU and 4 GiB.

More comparisons

See all comparisons

Blaxel

Docker Sandboxes

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Blaxel fits when

Docker Sandboxes fits when

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