Fly.io Sprites vs Upstash Box

Fly.io Sprites costs $0.0385 per vCPU-hour and Upstash Box costs $0.10 per vCPU-hour. Fly.io Sprites runs microVMs. Upstash Box runs containers.

Updated Oct 14, 2026

Fly.io Sprites

Persistent Linux computers that sleep when idle.

Isolation: MicroVM
Free tier: $30 trial credit
Max session: Not listed

Visit site Fly.io Sprites 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

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

Field

Fly.io Sprites

Upstash Box

vCPU, per hour: Fly.io Sprites: $0.0385; Upstash Box: $0.10
RAM, per GiB-hour: Fly.io Sprites: $0.021875; Upstash Box: Included
Storage: Fly.io Sprites: $0.000683 per GiB-hour; Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
Free tier: Fly.io Sprites: $30 trial credit; Upstash Box: Free plan, 5 CPU hours per month
Isolation: Fly.io Sprites: MicroVM; Upstash Box: Container
SDKs: Fly.io Sprites: Python, JavaScript / TypeScript, Go; Upstash Box: Python, TypeScript
Integrations: Fly.io Sprites: MCP, OpenAI Agents SDK; Upstash Box: LangChain, Vercel AI SDK

Full comparison

18 fields, at each provider's list price

Fly.io Spritesfly.io/pricing

Upstash Boxupstash.com/pricing/boxupstash.com

Pricing

vCPU, per hour: Fly.io Sprites: $0.0385; Upstash Box: $0.10
RAM, per GiB-hour: Fly.io Sprites: $0.021875; Upstash Box: Included
Storage: Fly.io Sprites: $0.000683 per GiB-hour; Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
Free tier: Fly.io Sprites: $30 trial credit; Upstash Box: Free plan, 5 CPU hours per month
Paid plan from: Fly.io Sprites: Pay as you go; Upstash Box: Pay as you go
Billing: Fly.io Sprites: Active CPU time only; Upstash Box: Active CPU time only

Limits

Max session: Fly.io Sprites: Not listed; Upstash Box: Not listed
Idle stop: Fly.io Sprites: Not listed; Upstash Box: After 360 minutes
Largest sandbox: Fly.io Sprites: Not listed; Upstash Box: 8 vCPU · 16 GiB
Concurrent sandboxes: Fly.io Sprites: Not listed; Upstash Box: Up to 1,000

Platform

Isolation: Fly.io Sprites: MicroVM; Upstash Box: Container
GPU: Fly.io Sprites: Not listed; Upstash Box: Not listed
Snapshots: Fly.io Sprites:; Upstash Box:
Pause and resume: Fly.io Sprites:; Upstash Box:

Developer

SDKs: Fly.io Sprites: Python, JavaScript / TypeScript, Go; Upstash Box: Python, TypeScript
Integrations: Fly.io Sprites: MCP, OpenAI Agents SDK; Upstash Box: LangChain, Vercel AI SDK

Trust

License: Fly.io Sprites: Not listed; Upstash Box: Not listed
BYOC: Fly.io Sprites: Not listed; Upstash Box: Not listed

Hourly cost

One sandbox running for one hour

Size

Fly.io Sprites

Upstash Box

1 vCPU · 2 GiB: Fly.io Sprites: $0.082; Upstash Box: $0.100
2 vCPU · 4 GiB: Fly.io Sprites: $0.165; Upstash Box: $0.200
4 vCPU · 8 GiB: Fly.io Sprites: $0.329; Upstash Box: $0.400

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Fly.io Sprites fits when

You want each sandbox in its own microVM.
You use MCP or the OpenAI Agents SDK.
You want the lower list price: $0.165 against $0.200 an hour for 2 vCPU and 4 GiB.

Upstash Box fits when

You use LangChain or the Vercel AI SDK.

More comparisons

See all comparisons

Fly.io Sprites

Upstash Box

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Fly.io Sprites fits when

Upstash Box fits when

More comparisons

Related

Compare

Pricing

Browse