GLACIS

C
C tier on LLM Security ToolsScore 6.7 · #4 of 28
Android app
Not listed
Free plan
Yes
Runs on
api, self-hosted, Web
glacis.io
The GLACIS homepage

Summary

GLACIS places runtime controls between AI actions and the systems they affect. It can let an action pass unchanged or, when it crosses configured bounds, constrain it, hold it for a person, or deny it. Glacis says it runs nine production components as a managed service and works with a customer’s existing identity provider, cloud, and security systems. Covered decisions produce signed records in OVERT, a published open format that implementers and reviewers can inspect and use without a proprietary schema. A verifier can check a record in a browser without a Glacis account. The site says payloads stay in the customer’s environment while records carry hashes; whether protected fields can be omitted depends on deployment setup. A record check does not prove that an action was correct, that every event was captured, or that a system is safe or compliant. Glacis offers a free account at 0.00 USD per free, with no card required, and describes a six-week evaluation for a workflow under review.

Who it is for

GLACIS may suit AI-agent builders or operators, AI sellers serving regulated buyers, and healthcare AI overseers who need controls and verifiable records for AI actions. It also lists people evaluating the product among its intended audiences.

What is good

  • Can hold, constrain, deny, or pass through actions.
  • Signed records use the published OVERT format.
  • Browser verification does not require a Glacis account.
  • Free account requires no card.
  • Payloads stay in the customer’s environment, according to the site.

What to know first

  • No automated evidence-pack export today.
  • Record checks do not establish correctness or safety.
  • Managed deployments are limited to a small number each quarter.
  • No bug bounty is offered.

Verdict

GLACIS combines runtime controls with signed records that can be checked independently in a browser. Keep in mind that verification has defined limits and evidence packs must be assembled by hand.

GLACIS plans and pricing

All plans
Free account Free No card required · setup about a minute glacis.io · 4 Oct 2026

Compared on LLM security tools

Free plan
Yesglacis.io
Prompt injection defense
Yesglacis.io
PII redaction
Yesglacis.io
Output guardrails
Yesglacis.io
Deployment model
hybridglacis.io

Facts

What it does
Glacis places runtime controls in the path of AI actions and creates signed records of covered decisions for external verification.glacis.io · 4 Oct 2026
Control decisions
For actions that cross configured bounds, Glacis can constrain, hold for a person, or deny the action; it can also allow actions through unchanged.glacis.io · 4 Oct 2026
Managed service
Glacis says it runs nine production components as a managed service, while working with the identity provider, cloud, and security systems the customer already uses.glacis.io · 4 Oct 2026
Records
Records are signed and use OVERT, an open record format; a verifier can check a record in a browser without a Glacis account.glacis.io · 4 Oct 2026
Data handling
The site says payloads stay in the customer’s environment and records carry hashes; protected fields can be left out, depending on deployment setup.glacis.io · 4 Oct 2026
Evidence pack limitation
Glacis does not offer automated evidence-pack export today; packs are assembled by hand for a particular review.glacis.io · 4 Oct 2026
Verification limits
A record check does not establish whether an action was correct, every event was captured, or a system is safe or compliant.glacis.io · 4 Oct 2026
Open standard
OVERT is a published open record format that implementers and reviewers can inspect and use without a proprietary schema.glacis.io · 4 Oct 2026
Who it serves
The signup form lists AI sellers serving healthcare or other regulated buyers, healthcare AI overseers, AI-agent builders or operators, and people evaluating the product.glacis.io · 4 Oct 2026
Deployment evaluation
The contact page describes a six-week evaluation on the workflow a customer is reviewing.glacis.io · 4 Oct 2026
Support
Glacis says it typically replies to contact requests within one business day and takes on a small number of managed deployments each quarter.glacis.io · 4 Oct 2026
Security reporting
The vulnerability disclosure policy says Glacis aims to acknowledge reports within three business days and provide an initial assessment within ten business days; it offers no bug bounty.glacis.io · 4 Oct 2026

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