Blaxel vs Upstash Box

Blaxel bills memory only, at $0.0414 per GiB-hour. Upstash Box costs $0.10 per vCPU-hour. Blaxel runs microVMs and has no session limit. Upstash Box runs containers.

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

Upstash Box

Isolated cloud containers that give AI agents a computer.

Isolation: Container
Free tier: Free plan, 5 CPU hours per month
Max session: Not listed

Visit site Upstash Box profile

What is different

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

Field

Blaxel

Upstash Box

vCPU, per hour: Blaxel: Included; Upstash Box: $0.10
RAM, per GiB-hour: Blaxel: $0.0414; Upstash Box: Included
Storage: Blaxel: Snapshots $0.20 per GB per month. Volumes $0.12 per GB per month.; Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
Free tier: Blaxel: Credit of up to $200; Upstash Box: Free plan, 5 CPU hours per month
Billing: Blaxel: Memory only; Upstash Box: Active CPU time only
Isolation: Blaxel: MicroVM; Upstash Box: Container
SDKs: Blaxel: Python, TypeScript, Go; Upstash Box: Python, TypeScript
Integrations: Blaxel: OpenAI Agents SDK, Claude Agent SDK, MCP; Upstash Box: LangChain, Vercel AI SDK

Full comparison

18 fields, at each provider's list price

Blaxelblaxel.ai/pricing

Upstash Boxupstash.com/pricing/boxupstash.com

Pricing

vCPU, per hour: Blaxel: Included; Upstash Box: $0.10
RAM, per GiB-hour: Blaxel: $0.0414; Upstash Box: Included
Storage: Blaxel: Snapshots $0.20 per GB per month. Volumes $0.12 per GB per month.; Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
Free tier: Blaxel: Credit of up to $200; Upstash Box: Free plan, 5 CPU hours per month
Paid plan from: Blaxel: Pay as you go; Upstash Box: Pay as you go
Billing: Blaxel: Memory only; Upstash Box: Active CPU time only

Limits

Max session: Blaxel: No limit; Upstash Box: Not listed
Idle stop: Blaxel: Not listed; Upstash Box: After 360 minutes
Largest sandbox: Blaxel: Not listed; Upstash Box: 8 vCPU · 16 GiB
Concurrent sandboxes: Blaxel: Not listed; Upstash Box: Up to 1,000

Platform

Isolation: Blaxel: MicroVM; Upstash Box: Container
GPU: Blaxel: Not listed; Upstash Box: Not listed
Snapshots: Blaxel:; Upstash Box:
Pause and resume: Blaxel:; Upstash Box:

Developer

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

Trust

License: Blaxel: Not listed; Upstash Box: Not listed
BYOC: Blaxel: Bring-your-own-metal in your VPC; Upstash Box: Not listed

Hourly cost

One sandbox running for one hour

Size

Blaxel

Upstash Box

1 vCPU · 2 GiB: Blaxel: $0.083; Upstash Box: $0.100
2 vCPU · 4 GiB: Blaxel: $0.166; Upstash Box: $0.200
4 vCPU · 8 GiB: Blaxel: $0.331; Upstash Box: $0.400

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 lower list price: $0.166 against $0.200 an hour for 2 vCPU and 4 GiB.
You need a desktop in the sandbox.

Upstash Box fits when

You use LangChain or the Vercel AI SDK.
Your code waits a lot: CPU is billed only while it is in use.

More comparisons

See all comparisons

Blaxel

Upstash Box

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Blaxel fits when

Upstash Box fits when

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