Adversa vs Prompt Security (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Not comparable
Not comparable: Adversa does not list a price
Free plan
Tie
Neither has one
Higher rating
Adversa
4.2 against 4.1
Same job?
Yes
Both are Security & Compliance AI tools

Side by side

Compared on	Adversa	Prompt Security
Our rating	4.2Better	4.1
Starts at	Not listed	Not listed
Free plan	No	No
Category	Security & Compliance AI	Security & Compliance AI
Plans	See pricing	See pricing
Key features	Continuous automated red-teaming for GenAI apps and autonomous agents Coverage of MCP-based agent stacks, not only chatbot interfaces Simulated prompt-injection, jailbreak, and data-exfiltration attacks AI security incident reporting and research publications Assessment tooling for AI governance and compliance functions	Inspection of prompts and responses in both directions Prompt injection and jailbreak detection Data leakage prevention across AI tool usage Shadow AI discovery across an organisation Protection for AI agents and applications
Pros	Focused specifically on agentic AI attack surfaces newer security tools miss Founder-led by recognized AI-security researchers with a public research record Industry recognition (Gartner, Stevie Award, Fortress Cybersecurity Award) backs credibility	Addresses shadow AI usage, not only sanctioned applications Open-source releases allow evaluation before procurement Backing of a larger security vendor after acquisition
Cons	No published pricing, requires direct contact to scope an engagement Narrow specialization in AI red-teaming means it doesn't replace broader security tooling Founded in 2021, so track record is shorter than legacy security vendors	Now part of a larger platform, which shapes procurement Enterprise pricing with no self-serve entry
Company	Adversa AI, founded 2021	Prompt Security (SentinelOne), founded 2023

Prices come from each vendor's pricing page, last checked 20260813. Check the vendor before you buy.

FAQ

Questions people ask

Is Adversa better than Prompt Security?

In our reviews Adversa scores 4.2 and Prompt Security scores 4.1. The better pick depends on the job. Adversa: AI red-teaming platform that runs continuous attack simulations against LLMs, agents, and GenAI applications to surface security gaps. Prompt Security: AI security platform covering prompt injection, data leakage and shadow AI use.

Which is cheaper, Adversa or Prompt Security?

Adversa: see pricing. Prompt Security: see pricing.

Do Adversa and Prompt Security have free plans?

Neither lists a free plan.

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