exe.dev vs Fly.io Sprites

exe.dev costs $0.0525 per vCPU-hour and Fly.io Sprites costs $0.0385 per vCPU-hour. exe.dev runs full VMs. Fly.io Sprites runs microVMs.

Updated Oct 14, 2026

exe.dev

Disposable VMs for AI agents, billed by the second.

Isolation: Full VM
Free tier: 7-day trial with a paid ChatGPT subscription
Max session: Not listed

Visit site exe.dev profile

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

What is different

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

Field

exe.dev

Fly.io Sprites

vCPU, per hour: exe.dev: $0.0525; Fly.io Sprites: $0.0385
RAM, per GiB-hour: exe.dev: Included; Fly.io Sprites: $0.021875
Storage: exe.dev: $0.08 per GiB per month of extra disk; Fly.io Sprites: $0.000683 per GiB-hour
Free tier: exe.dev: 7-day trial with a paid ChatGPT subscription; Fly.io Sprites: $30 trial credit
Paid plan from: exe.dev: $15 / month; Fly.io Sprites: Pay as you go
Billing: exe.dev: Bundled machine time; Fly.io Sprites: Active CPU time only
Isolation: exe.dev: Full VM; Fly.io Sprites: MicroVM

Full comparison

18 fields, at each provider's list price

exe.devexe.dev/pricing

Fly.io Spritesfly.io/pricing

Pricing

vCPU, per hour: exe.dev: $0.0525; Fly.io Sprites: $0.0385
RAM, per GiB-hour: exe.dev: Included; Fly.io Sprites: $0.021875
Storage: exe.dev: $0.08 per GiB per month of extra disk; Fly.io Sprites: $0.000683 per GiB-hour
Free tier: exe.dev: 7-day trial with a paid ChatGPT subscription; Fly.io Sprites: $30 trial credit
Paid plan from: exe.dev: $15 / month; Fly.io Sprites: Pay as you go
Billing: exe.dev: Bundled machine time; Fly.io Sprites: Active CPU time only

Limits

Max session: exe.dev: Not listed; Fly.io Sprites: Not listed
Idle stop: exe.dev: Not listed; Fly.io Sprites: Not listed
Largest sandbox: exe.dev: 32 vCPU · 64 GiB; Fly.io Sprites: Not listed
Concurrent sandboxes: exe.dev: Not listed; Fly.io Sprites: Not listed

Platform

Isolation: exe.dev: Full VM; Fly.io Sprites: MicroVM
GPU: exe.dev: Not listed; Fly.io Sprites: Not listed
Snapshots: exe.dev: Not listed; Fly.io Sprites:
Pause and resume: exe.dev: Not listed; Fly.io Sprites:

Developer

SDKs: exe.dev: Not listed; Fly.io Sprites: Python, JavaScript / TypeScript, Go
Integrations: exe.dev: Not listed; Fly.io Sprites: MCP, OpenAI Agents SDK

Trust

License: exe.dev: Not listed; Fly.io Sprites: Not listed
BYOC: exe.dev: Enterprise plan; Fly.io Sprites: Not listed

Hourly cost

One sandbox running for one hour

Size

exe.dev

Fly.io Sprites

1 vCPU · 2 GiB: exe.dev: $0.053; Fly.io Sprites: $0.082
2 vCPU · 4 GiB: exe.dev: $0.105; Fly.io Sprites: $0.165
4 vCPU · 8 GiB: exe.dev: $0.210; Fly.io Sprites: $0.329

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

exe.dev fits when

You want each sandbox to be a full VM.
You want the lower list price: $0.105 against $0.165 an hour for 2 vCPU and 4 GiB.
You need the sandboxes in your own cloud account.

Fly.io Sprites fits when

You want to pay only for usage, with no plan fee.
You want each sandbox in its own microVM.
You use MCP or the OpenAI Agents SDK.
You need snapshots.

More comparisons

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exe.dev

Fly.io Sprites

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

exe.dev fits when

Fly.io Sprites fits when

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