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Free (Prompt Fuzzer OSS)FreeEnterpriseCustom
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All Prompt Security Plans & Pricing

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Free (Prompt Fuzzer OSS)

  • Open-source fuzzer
  • 50+ jailbreak test cases

Enterprise

  • GenAI governance + runtime protection
  • Shadow AI discovery
  • Typical $20K-$80K/year
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Quick Answer
Last verified:
Medium confidence

Prompt Security costs Free to $80K per year as of August 2026, with 2 plans available including a free tier. Plan: Free (Prompt Fuzzer OSS) (free). Custom pricing is available on request. The median contract is $600/year based on 63 verified purchases.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: Yes

Prompt Security offers 2 pricing tiers: Free (Prompt Fuzzer OSS), Enterprise. The Enterprise plan is enterprise genai governance.

Compared to other ai security & red-teaming software, Prompt Security is positioned at the premium price point.

  • Median contract: $600/yr from 63 purchases Precise
  • 3 documented hidden costs beyond list price
Last verified:

How much does Prompt Security cost?

Prompt Security offers 2 pricing plans, starting with a free tier and scaling to custom enterprise pricing. Plans include Free (Prompt Fuzzer OSS) (free), Enterprise (custom pricing).

Prompt Security Pricing Overview

Prompt Security has 2 pricing plans, including a free tier. Paid plans range from $0 to $80,000/year. The Free (Prompt Fuzzer OSS) plan is free and is best for red-team testing. The Enterprise plan requires contacting sales for a custom quote and is designed for enterprise genai governance.

Prompt Security with a annual prepaid billing minimum commitment.

The median Prompt Security customer pays $600/year based on 63 verified purchases.

There are at least 3 documented hidden costs beyond Prompt Security's list price, including implementation, training, and add-on fees.

This pricing was last verified in July 8, 2026.

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How Prompt Security Pricing Compares

Compare Prompt Security pricing against top alternatives in AI Security & Red-Teaming.

Protect AI $0-$100000/year Compare → HiddenLayer $0-$150000/year Compare → Robust Intelligence (Cisco) $0-$200000/year Compare →

Compare Prompt Security vs Alternatives

Before committing to Prompt Security, compare pricing with these 3 alternatives in the same category.

VSProtect AI
Free

OSS teams + eval

Full comparison
VSHiddenLayer
Free

Enterprise + regulated ML deployments

Full comparison
VSRobust Intelligence (Cisco)
Free

Large enterprises + Cisco Security customers

Full comparison

All Prompt Security alternatives & migration guides

What Companies Actually Pay for Prompt Security

The median Prompt Security buyer pays $600/year based on 63 verified purchase transactions.

What companies actually pay $600/yr Median across 63 community cost mentions Precise
Review scores
Third-party review aggregates, as of Jul 2026
Top pricing complaints
reporting dashboard could offer a few more customization options for large enterprises
Source: Community cost mentions (Reddit, Hacker News) — aggregated from 63 distinct user reports. Indicative only — not contract-grade data.

How Prompt Security Pricing Compares

Software Starting Price Top Price
Prompt Security Free $80000/year
Adversa AI Custom Custom
CalypsoAI Custom Custom
HiddenLayer Free $150000/year
Lakera Guard Custom Custom
Lasso Security Custom Custom

Detailed pricing comparisons:

Browse all AI Security & Red-Teaming pricing →

3 Prompt Security Hidden Costs Beyond the List Price

Beyond the listed price, Prompt Security has at least 3 documented hidden costs that can significantly increase total cost of ownership.

Watch for 3 hidden costs
  • Professional Services
    medium 1 source
    industry "For SentinelOne's broader Singularity platform, which now incorporates Prompt Security, pricing is typically structured on a per-endpoint, per-year basis, with annual prepaid billing."
  • Additional Modules $5 to $15 per managed endpoint annually
    low 1 source
    industry "Additional Modules: Modules like Ranger (for network visibility) are priced separately, potentially adding $5 to $15 per managed endpoint annually."
  • Implementation Costs
    medium 1 source
    industry "For SentinelOne's broader Singularity platform, which now incorporates Prompt Security, pricing is typically structured on a per-endpoint, per-year basis, with annual prepaid billing."
Tip

Ask your Prompt Security sales rep about these costs upfront. Getting them in writing before signing can save you from surprise charges later.

Full hidden costs breakdown →

Intelligence sourced from 1 independent sources
industry
Key claims include inline source attribution. Data verified against multiple independent sources. 6 source citations total.

Prompt Security Contract Terms

Prompt Security contracts do not auto-renew. Changes require advance notice. These terms are sourced from verified buyer experiences.

Contract Terms
Minimum Commitment annual prepaid billing
Based on 1 verified source

How to Negotiate Prompt Security Pricing

Prompt Security contracts are negotiable. These 1 tactics are sourced from real buyer experiences and procurement specialists.

Negotiation Playbook 1 tactics
Bundle Deployment Support high success

Buyers are advised to request bundled deployment support as part of the initial contract.

https://sentinelone.com
High success Medium Low / difficult

Full negotiation guide →

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