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Prompt Security Pricing

paidlast verified August 26, 2026official site ↗
PlanPriceNotes
Enterpriseofficial source ↗Customchecked 2026-08-26Comprehensive LLM firewall, prompt injection filtering, data loss prevention (DLP), shadow AI governance, and SentinelOne integration

structured from cited official pricing sources: “Prompt Security (part of SentinelOne) operates as a sales-led enterprise security suite for LLMs and AI applications. Pricing is custom-quoted based on organizational size, monitored prompt traffic, and cloud marketplace procurement.”

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.
Prompt Security overview →alternatives →

FAQ

How much does Prompt Security cost?

Prompt Security (part of SentinelOne) operates as a sales-led enterprise security suite for LLMs and AI applications. Pricing is custom-quoted based on organizational size, monitored prompt traffic, and cloud marketplace procurement.

Does Prompt Security have a free plan?

No — Prompt Security has no free plan; it is a paid tool.

What are free or cheaper Prompt Security 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 August 26, 2026) — vendors change plans; confirm on the official site before you buy. Reuse this data under CC-BY 4.0 via /data.