Blaxel vs Watasu

Blaxel bills memory only, at $0.0414 per GiB-hour. Blaxel runs microVMs and has no session limit. Watasu limits a session to 24 hours.

Updated Oct 15, 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

Watasu

Isolated Linux sandboxes for AI agents, hosted in the EU.

Isolation: Not listed
Free tier: Free Basic plan
Max session: 24 hours

Visit site Watasu profile

What is different

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

Field

Blaxel

Watasu

Storage: Blaxel: Snapshots $0.20 per GB per month. Volumes $0.12 per GB per month.; Watasu: Retained disks €0.10 per GiB per month while the sandbox is stopped. Checkpoints and templates €0.03 per GiB per month.
Free tier: Blaxel: Credit of up to $200; Watasu: Free Basic plan
Billing: Blaxel: Memory only; Watasu: Per second
Max session: Blaxel: No limit; Watasu: 24 hours

Full comparison

18 fields, at each provider's list price

Blaxelblaxel.ai/pricing

Watasuwatasu.io/pricing

Pricing

vCPU, per hour: Blaxel: Included; Watasu: Not listed
RAM, per GiB-hour: Blaxel: $0.0414; Watasu: Not listed
Storage: Blaxel: Snapshots $0.20 per GB per month. Volumes $0.12 per GB per month.; Watasu: Retained disks €0.10 per GiB per month while the sandbox is stopped. Checkpoints and templates €0.03 per GiB per month.
Free tier: Blaxel: Credit of up to $200; Watasu: Free Basic plan
Paid plan from: Blaxel: Pay as you go; Watasu: Not listed
Billing: Blaxel: Memory only; Watasu: Per second

Limits

Max session: Blaxel: No limit; Watasu: 24 hours
Idle stop: Blaxel: Not listed; Watasu: Not listed
Largest sandbox: Blaxel: Not listed; Watasu: 8 vCPU · 8 GiB
Concurrent sandboxes: Blaxel: Not listed; Watasu: Up to 100

Platform

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

Developer

SDKs: Blaxel: Python, TypeScript, Go; Watasu: Not listed
Integrations: Blaxel: OpenAI Agents SDK, Claude Agent SDK, MCP, Claude Code, LangChain, Vercel AI SDK; Watasu: Not listed

Trust

License: Blaxel: Not listed; Watasu: Not listed
BYOC: Blaxel: Bring-your-own-metal in your VPC, on request; Watasu: Not listed

Hourly cost

One sandbox running for one hour

Size

Blaxel

Watasu

1 vCPU · 2 GiB: Blaxel: $0.083; Watasu: Not listed
2 vCPU · 4 GiB: Blaxel: $0.166; Watasu: Not listed
4 vCPU · 8 GiB: Blaxel: $0.331; Watasu: Not listed

Compute only, at list rates.

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Which one fits

Based on the fields above

Blaxel fits when

A session must run longer than 24 hours.
You use the OpenAI Agents SDK, the Claude Agent SDK, MCP, Claude Code, LangChain or the Vercel AI SDK.
You need a desktop in the sandbox.
You need the sandboxes in your own cloud account.

More comparisons

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Blaxel

Watasu

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Blaxel fits when

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