Home / Google

GKE Agent Sandbox

docs.cloud.google.com/kubernetes-engine/docs/how-to/agent-saCloud VMcompute/gke-agent-sandboxJSON compare report an error provider JSON

Free allowance: USD 300 of one-time Free Trial credit, valid for 90 days
Verdict: caveatusable, with a named limit or an unprobed read path
Cost: free tier
Identity: cardcard required, no phone
Binding limit: noneno named constraint binds
Evidence: unverified14 sources; asserted and not checked
Freshness: stale on 2026-11-13checked 2026-10-29 (live); stale on 2026-11-13

Free tier	USD 300 of one-time Free Trial credit, valid for 90 days unit mixed; metered on wall-clock; Agent Sandbox on GKE is offered at no extra charge; GKE pricing applies to the resources created
Price	none stated
Limits	volume-quota GKE free tier: USD 74.40 in monthly credits per billing account, equivalent to one free Autopilot or zonal Standard cluster per month; the credit applies to the cluster charge only, not to compute, networking or other resources source the Free Trial ends when 90 days pass or the USD 300 is spent; the Free Trial billing account is then closed and its projects and resources are stopped unless upgraded to a paid billing account
Identity	card a credit card or other payment method valid for the Free Trial period is required at signup; identity and payment method are verified before the trial starts; bank account verification may be required depending on country; eligibility requires never having been a paying user of Google Cloud, Google Maps Platform or Firebase and no earlier Free Trial signup
Egress	not stated
Per-object cap	not stated
Retention	not stated
Interface	unknown Agent Sandbox Python client on a GKE cluster (Autopilot or Standard); the cluster is created and managed with the Google Cloud console and Cloud Shell
Tooling	not stated
Reliability	no reliability event recorded
Notes	The GKE free tier is documented at cloud.google.com/free/docs/free-cloud-features: one Autopilot or zonal Standard cluster per month, and the credit applies to the cluster charge only. What is not documented is an agent-sandbox product: kubernetes-engine/docs/concepts/agent-sandbox returns 404 as of 2026-10-22. Do not read the cluster allowance as an agent sandbox until a page states one.
Evidence note	unverified documented from first-party Google Cloud pages: the Agent Sandbox how-to (no extra charge), the Free Trial terms (USD 300, 90 days, payment method at signup) and the GKE pricing page (free tier); the earlier concept page URL is not found

Evidence 14

date	source	what it proved
2026-10-02	cloud.google.com/kubernetes-engine/docs/concepts/agent-sandb	not published
2026-10-22	cloud.google.com/free/docs/free-cloud-features	unverified: the documented page returns 404 on 2026-10-22. The GKE free-tier row is on https://cloud.google.com/free/docs/free-cloud-features and states one free Autopilot or zonal Standard cluster per month applying to the cluster charge only
2026-10-28	docs.cloud.google.com/free/docs/free-cloud-features	the Free Trial billing account is preloaded with USD 300 valid for 90 days
2026-10-28	docs.cloud.google.com/kubernetes-engine/docs/how-to/agent-sa	Agent Sandbox adds no charge of its own
2026-10-28	docs.cloud.google.com/free/docs/free-cloud-features	the live free-trial page states the credit
2026-10-28	docs.cloud.google.com/kubernetes-engine/docs/how-to/agent-sa	the live Agent Sandbox page is the docs.cloud.google.com how-to
2026-10-28	cloud.google.com/kubernetes-engine/pricing	the GKE free tier is USD 74.40 monthly per billing account
2026-10-28	docs.cloud.google.com/free/docs/free-cloud-features	the Free Trial billing account closes after 90 days or when the USD 300 is spent
2026-10-28	docs.cloud.google.com/free/docs/free-cloud-features	Free Trial signup requires a credit card or other payment method
2026-10-28	docs.cloud.google.com/free/docs/free-cloud-features	identity and payment method are verified before the Free Trial starts
2026-10-28	docs.cloud.google.com/kubernetes-engine/docs/how-to/agent-sa	the documented access path is the Agent Sandbox Python client on a GKE cluster
2026-10-28	docs.cloud.google.com/free/docs/free-cloud-features	the Free Trial terms are readable on the live page
2026-10-28	cloud.google.com/kubernetes-engine/docs/concepts/agent-sandb	the original Agent Sandbox concept page URL returns 404 on 2026-10-28
2026-10-28	cloud.google.com/kubernetes-engine/pricing	GKE usage is billed on elapsed time in 1 second increments, unchanged

More fields 11

{
 "keep_rate": 1.0,
 "keep_rate_basis": null,
 "billing_model": "unclassified",
 "shape": null,
 "session_cap": null,
 "persistent_storage": null,
 "network_out": null,
 "price_note": null,
 "free_tier_kind": "one-time-credit",
 "granularity": {
  "min_billed_s": 0,
  "rounding_s": null
 },
 "burst_x": 1.0
}

Unknown values 9

$.chaining a source was read and is silent on this field
$.egress.metered egress metering was not published
$.egress.terms a source was read and is silent on this field
$.interface the access interface was not established
$.per_object_cap.stated a source was read and is silent on this field
$.reliability_note nothing of this kind was observed
$.retention.notes the field may be stated in a source that was not read
$.retention.stated a source was read and is silent on this field
$.tooling a source was read and is silent on this field