Lakera Alternatives
API-first runtime security for LLM apps and agents, prompt injection and data-leak defense
Lakera is an AI security platform that protects LLM applications and agents at runtime.
Explore 8 alternatives to Lakera across 1 category. Updated September 2026.
Top Lakera alternatives at a glance
- HOL Guard. Local-first runtime firewall that intercepts AI coding agent tool calls before they run
- HAIEC. Scans AI application code, runs adversarial tests against live endpoints, and generates signed compliance evidence
- LLM Guard. Open-source input and output scanners for LLM apps; the repository was archived in July 2026
- Redcells. Automated adversarial testing for AI systems you own, with replayable evidence
- Presidio. Microsoft open-source SDK for detecting and anonymizing PII in text and images
Compare Lakera with its alternatives
| Product | Pricing Model | Free Tier | Open Source | Hosting | HQ |
|---|---|---|---|---|---|
| Lakera | Contact Sales | ✓ | — | Cloud | 🇺🇸 United States |
| HOL Guard | Freemium | ✓ | ✓ APACHE2 | Self-hosted | — |
| HAIEC | Subscription | ✓ | — | Cloud | 🇺🇸 United States |
| LLM Guard | Free | ✓ | ✓ | Self-hosted | 🇺🇸 United States |
| Redcells | Pay-per-use | — | — | Cloud | — |
| Presidio | Free | ✓ | ✓ | Cloud + Self-hosted | 🇺🇸 United States |
| Guardrails AI | — | ✓ | ✓ | — | — |
| NeMo Guardrails | Free | ✓ | ✓ | Self-hosted | 🇺🇸 United States |
| Cleanlab | — | ✓ | — | — | 🇺🇸 United States |
📊 Observability & Analytics
Presidio
Microsoft open-source SDK for detecting and anonymizing PII in text and images
Open Source
Free Trial
Guardrails AI
Open-source framework for adding input and output validators around LLM calls
Open Source
Free Trial
NeMo Guardrails
NVIDIA toolkit for adding programmable guardrails to LLM conversational apps
Open Source
Free Trial
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