Usage alerts: which AI sandboxes have it

Who offers it

Part of Teams and accounts, which explains why it matters.

Fully: Blaxel, Cloudflare Sandbox, InstaBox, Sandboxer and Vercel Sandbox. With a catch: Runtime.

BlaxelYes90% of quota
An email goes to workspace admins at 90% of the tier quota.
docs-confirmed “Blaxel automatically dispatches an email notification to workspace administrators when your infrastructure usage reaches 90% of your current tier's quota.” Source
Cloudflare SandboxYes
Account budget alerts email you at amounts you set, but do not stop anything.
docs-confirmed “Budget alerts are informational only.” Source
InstaBoxYes
Owners and admins get an email when monthly usage passes what the plan includes.
docs-confirmed “emailed once a month when usage goes beyond what the month includes” Source
SandboxerYes
The dashboard Alerts page takes thresholds you set yourself.
docs-confirmed “To hear about a low balance earlier, set your own thresholds on the dashboard's **Alerts** page.” Source
Vercel SandboxYes
Spend Management sends alerts at amounts you set, and can also pause projects.
pricing-page “receive alerts or pause projects when you reach a specified amount.” Source
RuntimeWith a catch
The catch: The console warns when credit or free usage is about to run out, but you cannot set your own threshold.
docs-confirmed “credit or free usage about to run out” Source
Agent 37Not published
The billing page exposes usage endpoints but no alert or threshold feature.
docs-confirmed “returns everything the workspace spent” Source
BoatNot published
No usage alert or threshold feature appears in the billing or organisation pages.
docs-confirmed “A personal account has no dollar cap.” Source
boxdNot published
No usage alert is published; the only automatic message is about storage cleanup.
pricing-page “auto top-up adds €20 at a time” Source
DaytonaNot published
No usage alert or budget threshold is published.
docs-confirmed “Sandboxes are billed for the resources reserved” Source
E2BNot published
Spending limits block a project, but no alert or threshold notification is published.
docs-confirmed “When a project reaches its spending limit, only that project is blocked.” Source
LizardNot published
No usage alert or threshold feature is published.
docs-confirmed “There is no spending cap.” Source
ModalNot published
Budgets stop workloads, but no alert or threshold notification is published.
docs-confirmed “When the spend limit is reached” Source
MorphNot published
No usage alert or threshold feature is published.
pricing-page “Additional credits billed pay-as-you-go” Source
SpritesNot published
No usage alert or threshold feature is published for Sprites.
docs-confirmed “Pay only for the tool calls you use.” Source
TensorlakeNot published
The billing page shows a live balance and auto-refill, but no alert or threshold is published.
docs-confirmed “auto-refill” Source

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