Invariant Guardrails
invariantlabs.aiplatformmanaged
Invariant Guardrails is a managed platform in the Guardrails & Safety layer of the AI stack. Guardrails as code, enforced inline in the call path.
By Lattice editorial · Facts verified · method
- licence
- proprietary
- language
- Python
- cost
- usage-based
- owned by
- Production & Governance
Verified 2026-09build refuses it from 2027-04
Use Invariant Guardrails when
Guardrails as code, enforced inline in the call path.
Skip Invariant Guardrails when
Self-hosting is a hard requirement.
Stops the bad input before it, and the bad output after. — that is what this layer of the stack is answerable for. See the full Guardrails & Safety section for the rest of the options.
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[](https://lattice.kunjshah.in/guardrails-safety/invariant-guardrails)Quick answers
- Is Invariant Guardrails open source?
- No. Invariant Guardrails is proprietary. It is paid for by usage.
- What are the alternatives to Invariant Guardrails?
- The closest alternatives to Invariant Guardrails are Guardrails AI and Lakera Guard.
Compared in
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Alternatives to Invariant Guardrails
Listed as an alternative to
- Guardrails AIGuardrails AIValidators that check model output against a defined schema.Use when Validators that check output against a schema you define.Skip when You need free-form moderation rather than structural checks.Apache-2.0 · self-hosted · free
- Lakera GuardLakera GuardPrompt injection and jailbreak detection at the gateway.Use when Prompt-injection and jailbreak detection at the gateway.Skip when Requests cannot leave your network.proprietary · saas · usage-based
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- Guardrails AIGuardrails AIValidators that check model output against a defined schema.Use when Validators that check output against a schema you define.Skip when You need free-form moderation rather than structural checks.Apache-2.0 · self-hosted · free
- Llama GuardLlama GuardSafety classifier for prompt and response moderation.Use when One classifier covering both prompt and response moderation.Skip when You need domain-specific policy enforcement.Llama-3.1-Community · self-hosted · free
- Microsoft PresidioMicrosoft PresidioPII detection and anonymization for text and images.Use when Detecting and anonymising PII in text and images.Skip when Your data is already pseudonymised at source.MIT · self-hosted · free
- Lakera GuardLakera GuardPrompt injection and jailbreak detection at the gateway.Use when Prompt-injection and jailbreak detection at the gateway.Skip when Requests cannot leave your network.proprietary · saas · usage-based
- garakgarakScanner that probes models for known vulnerability classes.Use when Probing your own system for known vulnerability classes.Skip when You have no remediation path for whatever it finds.Apache-2.0 · self-hosted · free
- PyRITPyRITMicrosoft's red-team tool for generating and scoring attack prompts.Use when Generating and scoring attack prompts systematically.Skip when You are not authorised to test the target.MIT · self-hosted · free