High-concurrency agent sandboxes: prices at 2 vCPU / 4 GB (Nov 2026)

High-concurrency 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	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	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	Upstash BoxSmall (2 vCPU / 4 GB) Pay as you go · fleet ≥ $880.00 · 1,000 at once Active-CPU billing Not published: rounding, minimum	≥ $0.1[4]	≥ $0.01	≥ $880.00	Pay as you go	1,000	?	Active-CPU billing Not published: rounding, minimum
5	Novita AI2 vCPU / 4 GB Pay as you go · fleet ≥ $1,026 · 100 at once Not published: minimum	≥ $0.117[5]	≥ $0.117	≥ $1,026	Pay as you go	100	?	Not published: minimum
6	Tensorlake2 vCPU / 4 GB Prepaid credit · fleet ≥ $1,760 · 100 at once Active-CPU billing Not published: minimum	≥ $0.2[6]	≥ $0.074	≥ $1,760	Prepaid credit	100	?	Active-CPU billing Not published: minimum
7	Google Cloud Agent Platform sandboxes2 vCPU / 4 GB Pay as you go · fleet ≥ $1,813 · 1,000 at once Not published: minimum	≥ $0.206[7]	≥ $0.206	≥ $1,813	Pay as you go	1,000	?	Not published: minimum
8	AWS Bedrock AgentCore Code Interpreter2 vCPU / 4 GB Pay as you go · fleet $1,908 · 1,000 at once · starts 1,800/min · 108,000/h · 2,592,000/day then refused Active-CPU billing Max session 8 h	$0.217[8]	$0.0557	$1,908	Pay as you go	1,000	1,800/min · 108,000/h · 2,592,000/daythen refused	Active-CPU billing Max session 8 h
9	Modal2 vCPU / 4 GB Pay as you go · fleet ≥ $2,094 · 100 at once Not published: minimum	≥ $0.238[9]	≥ $0.238	≥ $2,094	Pay as you go	100	?	Not published: minimum
10	Vercel Sandbox2 vCPU / 4 GB Pay as you go, $20/mo min · fleet ≥ $2,999 · 10,000 at once Active-CPU billing +$0.0000006 per sandbox Not published: rounding	≥ $0.341[10]	≥ $0.11	≥ $2,999	Pay as you go, $20/mo min	10,000	?	Active-CPU billing +$0.0000006 per sandbox Not published: rounding

Not published, so not listed here: Koyeb, Together Sandbox, boxd, Fly.io Sprites, Daytona, Cloudflare Sandbox, Islo, Runloop.

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