Cleanlab Alternatives
Real-time detection and remediation of incorrect, unsafe, or non-compliant AI agent responses
Cleanlab is a runtime validation layer for AI agents and LLM apps.
Explore 32 alternatives to Cleanlab across 1 category. Updated September 2026.
Top Cleanlab 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 Cleanlab with its alternatives
| Product | Pricing Model | Free Tier | Open Source | Hosting | HQ |
|---|---|---|---|---|---|
| Cleanlab | — | ✓ | — | — | 🇺🇸 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 |
| Lakera | Contact Sales | ✓ | — | Cloud | 🇺🇸 United States |
| Langfuse | Freemium | ✓ | ✓ MIT | Cloud + Self-hosted | 🇩🇪 Germany |
| Comet Opik | Freemium | ✓ | ✓ APACHE2 | Cloud + Self-hosted | 🇺🇸 United States |
| DeepEval | Freemium | ✓ | ✓ | Cloud + Self-hosted | 🇺🇸 United States |
| RAGAS | Free | ✓ | ✓ APACHE-2.0 | Self-hosted | 🇺🇸 United States |
| Weights & Biases | Freemium | ✓ | — | Cloud + Self-hosted | 🇺🇸 United States |
| Arize AI | Freemium | ✓ | ✓ ELASTIC-2.0 | Cloud + Self-hosted | 🇺🇸 United States |
| Evidently AI | Free | ✓ | ✓ | Self-hosted | 🇺🇸 United States |
📊 Observability & Analytics
Presidio
Microsoft open-source SDK for detecting and anonymizing PII in text and images
Guardrails AI
Open-source framework for adding input and output validators around LLM calls
NeMo Guardrails
NVIDIA toolkit for adding programmable guardrails to LLM conversational apps
Comet Opik
Comet provides an end-to-end model evaluation platform for AI developers.
RAGAS
Open-source evaluation and testing framework for LLM and RAG applications
Agenta
Open-source prompt management, evaluation, and observability for LLM apps
Laminar
Open-source agent observability with traces, failure detection and evals
Braintrust
Stop building AI in the dark.
Browse all 54 Observability & Analytics products
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