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Head-to-head · AI Agent Security Software

Lakera Guard vs TrojAI Defend by A10 Networks

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Lakera Guard #4 in AI Agent Security Software 8.9/10 Free plan Free plan✓ 5 of 5 features Visit Lakera Guard
TrojAI Defend by A10 Networks #7 in AI Agent Security Software 8.6/10 Pricing on request ✓ 4 of 5 features Contact A10 Networks

Lakera Guard leads on 2 checks, TrojAI Defend by A10 Networks on 0, and 4 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 scoreLakera Guard · 8.9/10
  • Free planonly Lakera Guard
  • Most featuresLakera Guard · 5 of 5

Lakera Guard scores higher on our rubric for ai agent security software: 8.9 against 8.6 out of 10; our editors rank them #4 and #7.

Lakera Guard offers free plan; TrojAI Defend by A10 Networks doesn't publish it. Lakera Guard offers audit logs; TrojAI Defend by A10 Networks doesn't publish it.

Lakera Guard is the better fit for teams needing runtime guardrails and a free plan. TrojAI Defend by A10 Networks is the better fit for enterprises protecting production AI agents at runtime.

  • Lakera Guard fits best

    Teams needing runtime guardrails and a free plan

  • TrojAI Defend by A10 Networks fits best

    Enterprises protecting production AI agents at runtime

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature Lakera Guard 8.9/10 Visit ↗ TrojAI Defend by A10 Networks 8.6/10 Visit ↗
At a glance
Editor score 8.9 8.6
Ranking #4 in AI Agent Security Software #7 in AI Agent Security Software
Best for Teams needing runtime guardrails and a free plan Enterprises protecting production AI agents at runtime
Pricing model Free plan + paid Paid
Starting price Not published Not published
Free plan ✓ (best) Not published
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Support Email, Community, Docs Community, Docs
Integrations 7 integrations 3 integrations
Built for Mid-market, Enterprise Enterprise
Features Lakera Guard 5/5 · TrojAI Defend by A10 Networks 4/5
Prompt-attack defense ✓ ✓
Sensitive-data controls ✓ ✓
Runtime monitoring ✓ ✓
Output safety filters ✓ ✓
Audit logs ✓ (best) Not published
Specs
Deployment Hybrid Hybrid
Integration mode Gateway Gateway
Our review
Pros
  • Screens prompts, context, tool activity and outputs through an API
  • Detects prompt attacks, sensitive-data leakage and unsafe content
  • Cloud or self-hosted deployment with custom policies and investigations
  • Blocks prompt injection and jailbreaks in real time
  • Masks sensitive data and filters toxic prompts and responses
  • Analyzes agent traces and integrates with SIEM, SOAR and ticketing
Cons
  • Requires integration into an AI application's runtime flow
  • Advanced policy configuration may take security-team effort
  • Paid plan amounts are not published
  • Pricing requires contacting sales
  • Deployment requires a reverse-proxy architecture
  • Support channels are limited to community and documentation
Our verdict

Lakera Guard is a runtime security layer for generative-AI applications and agents, suited to teams that need to inspect interactions before they reach a model or user. It screens prompts, reference content, tool calls, tool responses and…

Read the review →

TrojAI Defend by A10 Networks is an AI application and agent firewall for enterprises protecting production AI systems. It analyzes model inputs and outputs at runtime, with controls for prompt injection, jailbreaks, sensitive-data leakage…

Read the review →
  1. Lakera GuardAI Agent Security Software 8.9Free plan
  2. TrojAI Defend by A10 NetworksAI Agent Security Software 8.6Pricing on request

Strengths and trade-offs

  • Lakera Guard — where it wins

    • Screens prompts, context, tool activity and outputs through an API
    • Detects prompt attacks, sensitive-data leakage and unsafe content
    • Cloud or self-hosted deployment with custom policies and investigations

    Where it doesn't

    • Requires integration into an AI application's runtime flow
    • Advanced policy configuration may take security-team effort
    • Paid plan amounts are not published

  • TrojAI Defend by A10 Networks — where it wins

    • Blocks prompt injection and jailbreaks in real time
    • Masks sensitive data and filters toxic prompts and responses
    • Analyzes agent traces and integrates with SIEM, SOAR and ticketing

    Where it doesn't

    • Pricing requires contacting sales
    • Deployment requires a reverse-proxy architecture
    • Support channels are limited to community and documentation

More comparisons

All AI agent security software comparisons → · Full ranking →

Guides on AI agent security software

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update