Free-tier agent sandboxes: prices at 2 vCPU / 4 GB (Nov 2026)

Free-tier agent sandboxes: 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	LizardSmall (2 vCPU / 4 GB) Plan from $19/mo · fleet ≥ $142.56 · 20 at once · starts 24/min · 120/h · 400/day then refused Not published: minimum	≥ $0.0162[1]	≥ $0.0162	≥ $142.56on Pro 5x	Plan from $19/mo	20	24/min · 120/h · 400/daythen refused	Not published: minimum
2	CelestoStandard (2 vCPU / 4 GB) Prepaid credit · fleet not on published plans · 10 at once Not published: rounding, minimum	≥ $0.03[2]	≥ $0.03	Not on published plans	Prepaid credit	10	?	Not published: rounding, minimum
3	Northflank2 vCPU / 4 GB Pay as you go · fleet ≥ $586.61 · 500 at once Not published: minimum	≥ $0.0667[3]	≥ $0.0667	≥ $586.61	Pay as you go	500	?	Not published: minimum
4	Novita AI2 vCPU / 4 GB Pay as you go · fleet ≥ $1,026 · 100 at once Not published: minimum	≥ $0.117[4]	≥ $0.117	≥ $1,026	Pay as you go	100	?	Not published: minimum
5	boxd2 vCPU / 4 GB Prepaid credit · fleet $1,320 Active-CPU billing	$0.15[5]	$0.0654	$1,320	Prepaid credit	?	?	Active-CPU billing
6	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[6]	≥ $0.0952	≥ $1,448	Pay as you go	?	10/minthen refused	Active-CPU billing Not published: rounding, minimum
7	Blaxel2 vCPU / 4 GB Prepaid credit · fleet not on published plans · 10 at once Not published: minimum	≥ $0.166[7]	≥ $0.166	Not on published plans	Prepaid credit	10	?	Not published: minimum
8	Daytona2 vCPU / 4 GB Pay as you go · fleet ≥ $1,457 · starts 300/min then refused Not published: minimum	≥ $0.166[8]	≥ $0.166	≥ $1,457	Pay as you go	?	300/minthen refused	Not published: minimum
9	E2B2 vCPU / 4 GB Pay as you go · fleet ≥ $1,607 · 20 at once · starts 60/min then refused Max session 1 h Not published: minimum	≥ $0.166[9]	≥ $0.166	≥ $1,607on Pro	Pay as you go	20	60/minthen refused	Max session 1 h Not published: minimum
10	Tenki2 vCPU / 4 GB Prepaid credit · fleet $1,607 · 5 at once	$0.166[10]	$0.166	$1,607on Team	Prepaid credit	5	?
11	Modal2 vCPU / 4 GB Pay as you go · fleet ≥ $2,094 · 100 at once Not published: minimum	≥ $0.238[11]	≥ $0.238	≥ $2,094	Pay as you go	100	?	Not published: minimum
12	Runloop2 vCPU / 4 GB Pay as you go · fleet $2,788 No new customers	$0.317[12]	$0.317	$2,788	Pay as you go	?	?	No new customers

Not published, so not listed here: InstaBox, boat, Upstash Box, exe.dev, Freestyle, Cloudflare Sandbox, Tensorlake, Namespace, Islo, Vercel Sandbox.

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