Shortlist by what you need
Start here if you know why you are leaving HiddenLayer.
Want the closest match?
Enkrypt AIMost similar to HiddenLayer in what it does, its category and its price.
Visit (opens Enkrypt AI in a new tab)Want the best rated?
DoppelRated 4.5 out of 5 in our review, against 4.2 for HiddenLayer.
Visit (opens Doppel in a new tab)
At a glance
Green means better than HiddenLayer, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 HiddenLayerBaseline | 4.2 | Not listed | No | Security platform for defending deployed machine learning models against attack. | |
| Enkrypt AI | 4.1−0.1 | Not listed | No | Security and safety testing for AI systems, covering threat detection and ongoing monitoring. | vs HiddenLayer |
| Doppel | 4.5+0.3 | Not listed | No | AI-native platform that detects and takes down phishing sites, fake social accounts, and other social-engineering infrastructure targeting a brand. | vs HiddenLayer |
 Vectra AI | 4.1−0.1 | Not listed | No | AI-native threat detection and response for hybrid enterprises, built around Attack Signal Intelligence across network, cloud and identity. | vs HiddenLayer |
 Zenity | 4.2Same | Not listed | No | Security and governance for AI agents, from build time through to runtime. | vs HiddenLayer |
 BforeAI | 4.1−0.1 | Not listed | No | Predictive security that flags malicious infrastructure before an attack is launched. | vs HiddenLayer |
 Levo.ai | 3.7−0.5 | Not listed | No | Runtime security for both traditional APIs and AI-native apps - discovers, red-teams, and firewalls your AI agents, LLMs, and MCP servers, not just your endpoints. | vs HiddenLayer |
 CalypsoAI | 4.1−0.1 | Not listed | No | AI guardrails, now part of F5, protecting generative AI applications in production. | vs HiddenLayer |
 Exabeam | 3.9−0.3 | Not listed | No | Multi-agent AI drives threat detection and investigation, while Agent Behavior Analytics watches AI agents themselves as a new insider-threat surface - claimed 5x SOC productivity. | vs HiddenLayer |
The alternatives in detail
In order of how closely each one matches HiddenLayer.
Enkrypt AI
4.1Not listed
vs HiddenLayer−0.1
Security and safety testing for AI systems, covering threat detection and ongoing monitoring.
- Security and safety testing specific to AI systems
- Detection of prompt injection, jailbreaks and harmful output
- Vulnerability remediation rather than reporting alone
Addresses failure modes conventional application security misses
Only relevant to organisations actually deploying AI systems
Doppel
4.5Not listed
vs HiddenLayer+0.3
AI-native platform that detects and takes down phishing sites, fake social accounts, and other social-engineering infrastructure targeting a brand.
- Autonomous detection and takedown of phishing infrastructure
- Fake executive and brand impersonation monitoring across social platforms
- Marketplace and app-store fraud detection
Takes autonomous takedown action, not only alerting
No published pricing, so cost is unclear until a sales call
Vectra AI
4.1Not listed
vs HiddenLayer−0.1
AI-native threat detection and response for hybrid enterprises, built around Attack Signal Intelligence across network, cloud and identity.
- Attack Signal Intelligence behavioural detection across network, cloud and identity
- Detection, investigation and response at machine speed
- Coverage of humans, machines and AI agents
Focuses on signal quality and alert prioritisation rather than more alerts
No published pricing; a demo is the entry
Zenity
4.2Not listed
vs HiddenLayerSame
Security and governance for AI agents, from build time through to runtime.
- Security and governance across the agent lifecycle
- Runtime controls rather than pre-deployment review only
- Visibility into what agents actually decided and did
Runtime governance matches how autonomous agents actually fail
Only relevant once agents hold real permissions
BforeAI
4.1Not listed
vs HiddenLayer−0.1
Predictive security that flags malicious infrastructure before an attack is launched.
- PreCrime Defense
- PreCrime Intelligence
- Detection of attacker infrastructure before launch
Acts before an attack rather than after detection
Pricing is not published
Levo.ai
3.7Not listed
vs HiddenLayer−0.5
Runtime security for both traditional APIs and AI-native apps - discovers, red-teams, and firewalls your AI agents, LLMs, and MCP servers, not just your endpoints.
- Runtime visibility into AI agents, LLMs, and MCP servers
- AI red-teaming and threat detection
- Prompt-injection and tool-abuse prevention (AI gateway/firewall)
Covers both traditional API security and AI-specific runtime risk in one platform
No published pricing - requires a demo or sign-up request
CalypsoAI
4.1Not listed
vs HiddenLayer−0.1
AI guardrails, now part of F5, protecting generative AI applications in production.
- Runtime guardrails between the model and the user
- Protection against prompt injection and data leakage
- Policy enforcement across cloud deployments
Backed by an established security vendor rather than a startup
Enterprise procurement through F5 rather than self-serve
Exabeam
3.9Not listed
vs HiddenLayer−0.3
Multi-agent AI drives threat detection and investigation, while Agent Behavior Analytics watches AI agents themselves as a new insider-threat surface - claimed 5x SOC productivity.
- Multi-agent AI across the full threat detection/investigation/response workflow
- Exabeam Nova AI Agent for automated investigation
- Agent Behavior Analytics - monitors AI agents as a security surface
Monitors AI agents themselves as a threat surface, not just human users
No published pricing - an enterprise sales process
FAQ
Questions people ask
Is HiddenLayer free?
HiddenLayer does not list a free plan. Check its pricing page for current plans.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.