Fly Machines

DIY sandbox substrate with global edge. Prefer E2B unless you need custom machine control.

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DIY sandbox substrate with global edge. Prefer E2B unless you need custom machine control. Strengths: Programmable VMs globally; Firecracker isolation; Integrate with Fly networking.

Overall

8.2

curated_estimate

confidence: high · as of 2026-09-14

Capability fit

8.5

Price / performance

8.5

Latency / reliability

8.2

Developer & agent DX

8.0

Privacy / data retention

7.8

Lock-in risk (higher = worse)

3.0

Maturity / track record

8.5

Lock-in risk: higher = more lock-in (worse). Overall already inverts this dimension.

Sources: Fly Machines: https://fly.io/docs/machines/

DIY sandbox substrate with global edge. Prefer E2B unless you need custom machine control.

Strengths

· Programmable VMs globally
· Firecracker isolation
· Integrate with Fly networking

Weaknesses

· You build more sandbox UX yourself
· Not agent-specialized like E2B
· Ops knowledge required

Pricing notes

API-driven Firecracker VMs on Fly; pay while running; great for custom sandboxes.

Regions: globalLast reviewed: 2026-09-14Status: active

Sourced pricing

Contract status unavailable · no_sourced_price. Single normalized $/1M: null. Machine list: /api/pricing?provider=fly-machines

No sourced SKU row. Notes above stay prose.

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