Alternatives directory
Vendors in the directory with the most taxonomy overlap with Prompt Security — shared frameworks, capabilities, industries, and integrations.
Last checked October 15, 2026How this shortlist is built
Ranking is deterministic: same product category (heaviest signal), then shared framework coverage, capabilities, industries, and integrations documented on each vendor's profile. No editorial narrative has been written for this page yet.
If you want a long-form comparison with pros, cons, and verdicts, see our curated alternatives pages or run the matchmaker.
| Alternative | Shared frameworks | Shared capabilities | Pricing | |
|---|---|---|---|---|
| WitnessAI | — | Shadow AI Detection, AI Discovery, Policy Enforcement +6 | tiered | Compare |
| F5 AI Guardrails | — | AI Guardrails, Prompt Injection Defense, Data Leakage Prevention +5 | contact only | Compare |
| Prisma AIRS | — | AI Discovery, Shadow AI Detection, LLM Red Teaming +5 | usage based | Compare |
| CalypsoAI | — | AI Guardrails, Prompt Injection Defense, Data Leakage Prevention +5 | contact only | Compare |
| Cisco AI Defense | — | AI Discovery, Shadow AI Detection, LLM Red Teaming +5 | contact only | Compare |
| Noma Security | — | AI Discovery, Shadow AI Detection, Policy Enforcement +5 | contact only | Compare |
Network-level visibility, policy control and runtime protection for employee AI use and AI agents, with list prices on AWS Marketplace
F5's runtime guardrails and AI Red Team testing for AI models, apps and agents, built from CalypsoAI and deployable on premises or air-gapped
Palo Alto Networks' AI security platform, built with Protect AI: model scanning, AI red teaming, posture management, runtime and agent security
AI security company acquired by F5 in September 2025; its guardrails and red-teaming technology is now sold as F5 AI Guardrails and F5 AI Red Team
Cisco's AI security product, built on Robust Intelligence: AI discovery, supply chain scanning, red teaming and runtime guardrails for apps and agents
AI agent security platform covering discovery and posture (AI-SPM), agent access control, runtime detection and response, and red teaming
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