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zipbox.ai/pricingContainer and VM sandboxcompute/zipboxJSONcomparereport an errorprovider JSON

Free allowance
'Every new account can get $25 in credit with a one-time $5 top-up.
Verdict
caveatusable, with a named limit or an unprobed read path
Cost
USD 20/monthparsed from the record, in USD
Identity
cardcard required, no phone
Binding limit
volume-quotaUSD 25 credit requires a one-time USD 5 top-up; Medium 4 vCPU / 8 GB / 160 GB at USD 0.0274 an hour, USD 20 a month
Evidence
documented3 sources; a first-party page was read and the sentence quoted
Freshness
stale on 2026-11-24checked 2026-10-24 (live); stale on 2026-11-24
Free tier'Every new account can get $25 in credit with a one-time $5 top-up. A positive balance is what boots a machine. Top up by card; the card is saved for auto top-up.'
unit none; metered on none; A deposit match, not a grant: USD 5 must be paid by card first. 'Credits are prepaid and non-refundable.'
Pricenone stated
Limits
  • volume-quota (binding) USD 25 credit requires a one-time USD 5 top-up source
  • volume-quota (binding) Medium 4 vCPU / 8 GB / 160 GB at USD 0.0274 an hour, USD 20 a month source
The balance also pays for model and API calls made through platform keys, so compute and inference compete for the same USD 25.
Bindingvolume-quota The prepaid balance is the only limit: USD 25 at USD 0.0274 an hour is 912 hours, and nothing else in the published terms stops a box running.
Identitycard A card is required for the USD 5 top-up before any credit lands, and 'the card is saved for auto top-up'. No hold amount is stated; the charge is a real USD 5, not an authorisation.
EgressNo egress charge or allowance is stated on the pricing page.
Per-object capFour sizes: 'Tiny 1 vCPU · 2 GB RAM · 20 GB disk $0.0068 $5', 'Small 2 vCPU · 4 GB · 80 GB $0.0137 $10', 'Medium 4 vCPU · 8 GB · 160 GB $0.0274 $20', 'Large 6 vCPU · 16 GB · 320 GB $0.0548 $40'.
Retention'Paused boxes cost $0.' No deletion timer for a paused box is stated.
Interfacerest, cli web console and API; the platform also bills model and API calls through the same balance
Toolingweb dashboard; per-box itemised model and API spend
Composes witha cheap 4 vCPU box whose balance also pays for model calls, so an agent and its inference share one wallet
Reliability'A positive balance is what boots a machine', so a zero balance stops the box rather than billing overage.
NotesUSD 25 at Medium's USD 0.0274 is 912 hours, so the match buys 1.25 months of a 4 vCPU / 8 GB / 160 GB machine for USD 5 out of pocket, which is the lowest cash cost for a 4 vCPU month anywhere. It is card-gated at signup and the balance is shared with inference, so it is not a free tier.
Evidence notedocumented Sizes, rates, the top-up requirement and the non-refundable term are on the pricing page read. Not established: whether the USD 25 is granted once per account or once per person, and whether a paused box is retained indefinitely.
Parsed numbers
  • price USD 8.22 10 hours a day / month
  • price USD 20 / month
  • volume-quota 25 credit
  • volume-quota 8 GB
Evidence 3
datesourcewhat it proved
2026-10-22zipbox.ai/pricingTiny USD 0.0068 (1 vCPU/2 GB/20 GB), Small USD 0.0137 (2/4/80), Medium USD 0.0274 (4/8/160), Large USD 0.0548 (6/16/320)
2026-10-22zipbox.ai/pricingUSD 25 in credit with a one-time USD 5 top-up; paused boxes cost USD 0; card saved for auto top-up
2026-10-24zipbox.ai/pricingquoted: 'Every new account can get $25 in credit with a one-time $5 top-up. A positive balance is what boots a machine. Top up by card; the card is saved for auto top-up.'; 'Medium 4 vCPU · 8 GB RAM · 160 GB disk $0.0274 $20'; 'Paused boxes cost $0.'; 'Credits are prepaid and non-refundable.'
More fields 20
shape{"vcpu": 4,"ram_gib": 8,"disk_gib": 160,"gpu_class": null,"gpu_count": null}
billing modelper-second from a prepaid balance
granularity{"min_billed_s": 1,"rounding_s": 1}
session cap{"wall_clock_min": null,"idle_reap_s": null,"restart_required": false,"note": "paused boxes cost nothing; no cap published"}
keep rate{"value": 0.0,"basis": "paused boxes cost USD 0, quoted","source": "https://zipbox.ai/pricing"}
persistent storage{"included_gib": 80,"price_gib_month": "included","durability": "survives pause","survives_stop": true,"survives_destroy": null,"max_retention": "unpublished"}
network out{"allow_outbound": true,"allow_inbound_listen": true,"ports": "unstated","static_ip": null,"ipv6": null,"per_session_bytes": null}
free tier kindtop-up-match
m10h usd8.22
m24h usd20.0
price arithmetic0.0274/h x 730 = 20.00; 25 / 0.0274 = 912.4 h
price noteSmall shape, USD 0.0137 per hour, billed per second while running.
price basis10 h/day x 30 = 300 h; 24/7 x 30 = 730 h
burst x1.0
termprepaid
credit usd25
cash to unlock usd5
credit months at shape1.25
credit hours at shape912.4
credit expirynot stated; credits are non-refundable