Plate 3 · Devboxes

Published-start-limit devboxes: prices at 2 vCPU / 4 GB (Nov 2026)

The provider publishes how many sandboxes you may start per minute, hour or day. 3 providers: one busy 1-hour session at 2 vCPU / 4 GB costs ≥ $0.017 (InstaBox) to ≥ $0.164 (Fly.io Sprites).

Agent sandboxes

Cost of one busy 1-hour session at 2 vCPU / 4 GB.

Published-start-limit devboxes: prices at 2 vCPU / 4 GB (Nov 2026)
#	Provider	1 h busy	1 h at 10% CPU	Fleet month	Pay	At once	Starts	Caveats
1	InstaBox2 vCPU / 4 GB Plan from $20/mo · fleet ≥ $149.60 · 100 at once · starts 10/min then refused Not published: minimum	≥ $0.017[1]	≥ $0.017	≥ $149.60	Plan from $20/mo	100	10/minthen refused	Not published: minimum
2	boatsmall (2 vCPU / 4 GB) Plan from $20/mo · fleet ≥ $158.40 · 100 at once · starts 12/min · 60/h · 200/day then from $0.03 each Not published: minimum	≥ $0.018[2]	≥ $0.018	≥ $158.40	Plan from $20/mo	100	12/min · 60/h · 200/daythen from $0.03 each	Not published: minimum
3	Fly.io Sprites2 vCPU / 4 GB Pay as you go · fleet ≥ $1,448 · starts 10/min then refused Active-CPU billing Not published: rounding, minimum	≥ $0.164[3]	≥ $0.0952	≥ $1,448	Pay as you go	?	10/minthen refused	Active-CPU billing Not published: rounding, minimum

1 h busy: all CPU billed. 1 h at 10% CPU: lower only where idle CPU isn't billed. Fleet month: 50 × 8 h × 22 days busy, on the lowest plan that runs 50 at once (its fee, less usage it includes). At once and Starts: on the terms priced. ≥ = a term isn't published. Method

Sources

1 instabox.sh/docs/pricing.md · 31 Oct 2026
2 docs.boat.dev/pricing.md · 31 Oct 2026
3 fly.io/sprites · 31 Oct 2026