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LLM Guard Pricing

freeopen source · MITlast verified September 6, 2026official site ↗

At a glance

Open-source security toolkit and LLM firewall under the MIT License ($0 software cost). Runs entirely self-hosted as a local Python package or containerized microservice without mandatory cloud dependencies or telemetry fees. Commercial Protect AI enterprise platforms (Guardian, Recon, ModelScan) are available under custom enterprise contracts.

Self-hosting cost

LLM Guard is open source under the MIT license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.

Free & cheaper AI Security & DevSecOps

same category, free plan or open-source license

OpenLITopen source100% free and open source under the Apache-2.0 license ($0 self-hosted on Docker and Kubernetes). Features OpenTelemetry-native LLM tracing, GPU hardware metrics (NVIDIA/AMD/Intel), Prompt Hub, and security guardrails. Managed OpenLIT Cloud edition is available for hosted enterprise deployments.Ciliumopen sourceFree and 100% open source under the Apache-2.0 license (with dual GPL-2.0/BSD-2-Clause BPF datapath templates) as a CNCF Graduated project. Cilium has no software licensing fees for self-hosted or cloud Kubernetes deployments (including GKE Dataplane V2 and Azure CNI Powered by Cilium); organizations pay only for their compute infrastructure. For mission-critical enterprise environments, Isovalent Enterprise for Cilium (by Cisco) provides quote-based annual subscriptions (per-node/environment) with 24/7 SLA support, hardened LTS builds, Customer Testing Environments (CuTEs), enterprise BGP/EVPN, and advanced multi-cluster security and observability retention.MCP-Scanopen source100% free and open-source Model Context Protocol (MCP) security auditing and vulnerability scanner developed by Invariant Labs (Apache-2.0 License). Analyzes MCP client configurations, tool schemas, and server definitions to detect prompt injection vectors, malicious tool poisoning, cross-server shadowing, and unintended permission escalation at zero software cost.PangolinFree Community Edition under AGPL-3.0; Enterprise Edition (FCL) is free for homelabbers/individuals and orgs with <$100K gross annual revenue, paid license required for >=$100K revenue.
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FAQ

How much does LLM Guard cost?

Open-source security toolkit and LLM firewall under the MIT License ($0 software cost). Runs entirely self-hosted as a local Python package or containerized microservice without mandatory cloud dependencies or telemetry fees. Commercial Protect AI enterprise platforms (Guardian, Recon, ModelScan) are available under custom enterprise contracts.

Does LLM Guard have a free plan?

Yes — LLM Guard is completely free.

Can you self-host LLM Guard for free?

LLM Guard is open source under the MIT license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.

What are free or cheaper LLM Guard alternatives?

OpenLIT, Cilium, MCP-Scan are in the same category with a free plan or open-source license.

pricing is editorial catalog data (last verified September 6, 2026) — vendors change plans; confirm on the official site before you buy. Reuse this data under CC-BY 4.0 via /data.