Blaxel vs Phonebox

Blaxel bills memory only, at $0.0414 per GiB-hour. Blaxel runs microVMs and has no session limit. Phonebox limits a session to 3 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

Phonebox

Cloud Android phones that AI agents control through their screens.

Isolation: Not listed
Free tier: $2 starter credit, one time, no card
Max session: 3 hours

Visit site Phonebox profile

What is different

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

Field

Blaxel

Phonebox

Free tier: Blaxel: Credit of up to $200; Phonebox: $2 starter credit, one time, no card
Billing: Blaxel: Memory only; Phonebox: Bundled machine time
Max session: Blaxel: No limit; Phonebox: 3 hours
SDKs: Blaxel: Python, TypeScript, Go; Phonebox: TypeScript
Integrations: Blaxel: OpenAI Agents SDK, Claude Agent SDK, MCP, Claude Code, LangChain, Vercel AI SDK; Phonebox: MCP

Full comparison

18 fields, at each provider's list price

Blaxelblaxel.ai/pricing

Phoneboxphonebox.dev/pricingphonebox.dev

Pricing

vCPU, per hour: Blaxel: Included; Phonebox: Not listed
RAM, per GiB-hour: Blaxel: $0.0414; Phonebox: Not listed
Storage: Blaxel: Snapshots $0.20 per GB per month. Volumes $0.12 per GB per month.; Phonebox: Not listed
Free tier: Blaxel: Credit of up to $200; Phonebox: $2 starter credit, one time, no card
Paid plan from: Blaxel: Pay as you go; Phonebox: Pay as you go
Billing: Blaxel: Memory only; Phonebox: Bundled machine time

Limits

Max session: Blaxel: No limit; Phonebox: 3 hours
Idle stop: Blaxel: Not listed; Phonebox: After 5 minutes
Largest sandbox: Blaxel: Not listed; Phonebox: Not listed
Concurrent sandboxes: Blaxel: Not listed; Phonebox: Up to 5

Platform

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

Developer

SDKs: Blaxel: Python, TypeScript, Go; Phonebox: TypeScript
Integrations: Blaxel: OpenAI Agents SDK, Claude Agent SDK, MCP, Claude Code, LangChain, Vercel AI SDK; Phonebox: MCP

Trust

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

Hourly cost

One sandbox running for one hour

Size

Blaxel

Phonebox

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

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Blaxel fits when

A session must run longer than 3 hours.
You use the OpenAI Agents SDK, the Claude Agent SDK, Claude Code, LangChain or the Vercel AI SDK.
You want the larger free credit: $200 against $2.
You need snapshots.

More comparisons

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Blaxel

Phonebox

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Blaxel fits when

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