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Head-to-head · AI Agent Security Software

Lakera Guard vs SentinelOne Prompt Security

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Lakera Guard #4 in AI Agent Security Software 8.9/10 Free plan Free plan✓ 5 of 5 features Visit Lakera Guard
SentinelOne Prompt Security #5 in AI Agent Security Software 8.9/10 Pricing on request ✓ 5 of 5 features Visit SentinelOne

Lakera Guard leads on 1 check, SentinelOne Prompt Security on 0, and 5 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

  • Free planonly Lakera Guard

Lakera Guard and SentinelOne Prompt Security score identically on our rubric (8.9 out of 10) for ai agent security software; Lakera Guard sits at #4 and SentinelOne Prompt Security at #5 in our editorial ranking, so the choice comes down to fit.

Lakera Guard offers free plan; SentinelOne Prompt Security doesn't publish it. On deployment, Lakera Guard gives you Hybrid where SentinelOne Prompt Security offers Cloud.

Lakera Guard is the better fit for teams needing runtime guardrails and a free plan. SentinelOne Prompt Security is the better fit for organizations governing employee AI and agents.

  • Lakera Guard fits best

    Teams needing runtime guardrails and a free plan

  • SentinelOne Prompt Security fits best

    Organizations governing employee AI and agents

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 ↗ SentinelOne Prompt Security 8.9/10 Visit ↗
At a glance
Editor score 8.9 8.9
Ranking #4 in AI Agent Security Software #5 in AI Agent Security Software
Best for Teams needing runtime guardrails and a free plan Organizations governing employee AI and agents
Pricing model Free plan + paid Paid
Starting price Not published Not published
Free plan ✓ (best) Not published
Free trial — —
Deployment Cloud, Self-hosted Cloud
Platforms Web Web
Support Email, Community, Docs Docs
Integrations 7 integrations 3 integrations
Built for Mid-market, Enterprise Mid-market, Enterprise
Features Lakera Guard 5/5 · SentinelOne Prompt Security 5/5
Prompt-attack defense ✓ ✓
Sensitive-data controls ✓ ✓
Runtime monitoring ✓ ✓
Output safety filters ✓ ✓
Audit logs ✓ ✓
Specs
Deployment Hybrid Cloud
Integration mode Gateway Not published
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
  • Finds sanctioned and unsanctioned AI tools across an organization
  • Enforces real-time policies and redacts sensitive information
  • Governs agents and MCP servers with searchable action audit logs
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
  • Verified integrations focus on GitHub Copilot, Claude Code, and Singularity
  • Its scope may exceed the needs of teams securing only one AI use case
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 →

SentinelOne Prompt Security is an AI security platform for organizations using employee AI tools, code assistants, custom applications, and autonomous agents. It brings discovery, policy controls, and application protections together for…

Read the review →
  1. Lakera GuardAI Agent Security Software 8.9Free plan
  2. SentinelOne Prompt SecurityAI Agent Security Software 8.9Pricing 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

  • SentinelOne Prompt Security — where it wins

    • Finds sanctioned and unsanctioned AI tools across an organization
    • Enforces real-time policies and redacts sensitive information
    • Governs agents and MCP servers with searchable action audit logs

    Where it doesn't

    • Pricing requires contacting sales
    • Verified integrations focus on GitHub Copilot, Claude Code, and Singularity
    • Its scope may exceed the needs of teams securing only one AI use case

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