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Head-to-head · LLM Security Tools

PromptGuard vs Noma Security

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score PromptGuard #5 in LLM Security Tools 8.9/10 Free plan Free plan✓ 0 of 5 features Visit PromptGuard
Noma Security #6 in LLM Security Tools 8.8/10 Pricing on request ✓ 5 of 5 features Visit Noma Security

PromptGuard leads on 0 checks, Noma Security on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePromptGuard · 8.9/10
  • Free planonly PromptGuard
  • Most featuresNoma Security · 5 of 5

PromptGuard scores higher on our rubric for llm security tools: 8.9 against 8.8 out of 10; our editors rank them #5 and #6.

PromptGuard is the better fit for affordable teams needing LLM red teaming. Noma Security is the better fit for enterprises securing agents and AI supply chains.

  • PromptGuard fits best

    Affordable teams needing LLM red teaming

  • Noma Security fits best

    Enterprises securing agents and AI supply chains

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Side by side

Feature PromptGuard 8.9/10 Visit ↗ Noma Security 8.8/10 Visit ↗
At a glance
Editor score 8.9 8.8
Ranking #5 in LLM Security Tools #6 in LLM Security Tools
Best for Affordable teams needing LLM red teaming Enterprises securing agents and AI supply chains
Pricing model Free plan + paid Paid
Starting price $19/seat/mo Pricing on request
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud, Self-hosted, Desktop, Browser extension Cloud, Self-hosted
Compliance GDPR, SSO/SAML SOC 2, ISO 27001, HIPAA, 2FA
Integrations 12 integrations 80+ integrations
Built for Small business, Mid-market, Enterprise Enterprise
Features PromptGuard 0/5 · Noma Security 5/5
Prompt injection defense Not checked yet ✓ (best)
PII redaction Not checked yet ✓ (best)
Secrets detection Not checked yet ✓ (best)
Output guardrails Not checked yet ✓ (best)
Model-abuse detection Not checked yet ✓ (best)
Specs
Deployment model Not checked yet Hybrid
Our review
Pros
  • Automated assessments cover 20+ attack vectors and fuzzed variants
  • Integrates with OpenAI, Anthropic, Gemini, Bedrock, Mistral, and more
  • Supports CI/CD regression testing, API scanning, and tool-call validation
  • Discovers AI assets across cloud, SaaS, endpoints, and code environments
  • Combines runtime detection, masking, guardrails, and access policies
  • Assesses AI supply-chain and MCP risks with compliance reporting
Cons
  • The Free plan includes only prompt injection and PII detection
  • Scale and Premium do not show prices in the published plan details
  • Advanced enterprise controls are concentrated in the Enterprise plan
  • Pricing requires contact with sales
  • There is no open-source edition
  • Its enterprise scope may exceed lightweight security needs
Our verdict

PromptGuard is an AI security platform for teams that need to test and protect LLM applications across development and production. It sits between applications and model providers, detecting prompt injection, jailbreak attempts, PII…

Read the review →

Noma Security is an enterprise platform for discovering, governing, testing, and protecting AI applications and agents. It covers homegrown AI, SaaS agents, endpoint agents, models, MCP servers, tools, and data connections. The platform is…

Read the review →
  1. PromptGuardLLM Security Tools 8.9Free plan
  2. Noma SecurityLLM Security Tools 8.8Pricing on request

Strengths and trade-offs

  • PromptGuard — where it wins

    • Automated assessments cover 20+ attack vectors and fuzzed variants
    • Integrates with OpenAI, Anthropic, Gemini, Bedrock, Mistral, and more
    • Supports CI/CD regression testing, API scanning, and tool-call validation

    Where it doesn't

    • The Free plan includes only prompt injection and PII detection
    • Scale and Premium do not show prices in the published plan details
    • Advanced enterprise controls are concentrated in the Enterprise plan

  • Noma Security — where it wins

    • Discovers AI assets across cloud, SaaS, endpoints, and code environments
    • Combines runtime detection, masking, guardrails, and access policies
    • Assesses AI supply-chain and MCP risks with compliance reporting

    Where it doesn't

    • Pricing requires contact with sales
    • There is no open-source edition
    • Its enterprise scope may exceed lightweight security needs

More comparisons

All LLM security tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update