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Head-to-head · LLM Security Tools

PromptGuard vs Straiker Defend AI

  • 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
Straiker Defend AI #8 in LLM Security Tools 8.6/10 Pricing on request ✓ 5 of 5 features Visit Straiker

PromptGuard leads on 0 checks, Straiker Defend AI 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 featuresStraiker Defend AI · 5 of 5

PromptGuard scores higher on our rubric for llm security tools: 8.9 against 8.6 out of 10; our editors rank them #5 and #8.

PromptGuard is the better fit for affordable teams needing LLM red teaming. Straiker Defend AI is the better fit for teams protecting multimodal agents and MCP.

  • PromptGuard fits best

    Affordable teams needing LLM red teaming

  • Straiker Defend AI fits best

    Teams protecting multimodal agents and MCP

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Side by side

Feature PromptGuard 8.9/10 Visit ↗ Straiker Defend AI 8.6/10 Visit ↗
At a glance
Editor score 8.9 8.6
Ranking #5 in LLM Security Tools #8 in LLM Security Tools
Best for Affordable teams needing LLM red teaming Teams protecting multimodal agents and MCP
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
Support Email, Community, Docs Email, Phone
Compliance GDPR, SSO/SAML SOC 2, ISO 27001
Integrations 12 integrations 7 integrations
Built for Small business, Mid-market, Enterprise Enterprise
Features PromptGuard 0/5 · Straiker Defend AI 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
  • Detects and blocks prompt injection, exfiltration, and unsafe actions
  • Secures MCP servers, tool connections, secrets, and proprietary code
  • Combines multimodal detection, tracing, guardrails, and audit controls
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 uses a contact-sales model rather than published plans
  • Hybrid deployment may require architecture planning across environments
  • Its broad control set may exceed the needs of simple chatbot deployments
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 →

Straiker Defend AI provides runtime security for coding, productivity, and custom-built AI agents. It is designed for enterprises deploying agents in production, particularly teams that need controls across prompts, reasoning steps, tool…

Read the review →
  1. PromptGuardLLM Security Tools 8.9Free plan
  2. Straiker Defend AILLM Security Tools 8.6Pricing 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

  • Straiker Defend AI — where it wins

    • Detects and blocks prompt injection, exfiltration, and unsafe actions
    • Secures MCP servers, tool connections, secrets, and proprietary code
    • Combines multimodal detection, tracing, guardrails, and audit controls

    Where it doesn't

    • Pricing uses a contact-sales model rather than published plans
    • Hybrid deployment may require architecture planning across environments
    • Its broad control set may exceed the needs of simple chatbot deployments

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