Unplug AI alternatives

Tools that do what Unplug AI does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from Unplug AI.

Read 2026-10-27

With a free plan or free to use: PromptGuard, Lakera, Wardstone, SovereignShield, LockLLM, Sunglasses, AI Security Guard.

10 alternativesUnlike Unplug AI

#1
PromptGuard Security
Inspects requests to LLM applications and blocks prompt injection, jailbreak attempts, and personally identifiable information leaks.
Free plan
12
Active
From $99/mo
#2
Kalpit Labs Security
Detects and blocks prompt injection, jailbreaks, and data leaks in LLM applications in real time.
Same job
Emerging
Maintained
#3
Lakera Security
Detects and prevents prompt injection attacks, data leakage, and jailbreaks in AI applications with real-time threat detection.
Free planMore widely used
2.9k
Maintained
Free plan
1993
#4
Wardstone Security
Detects prompt injection attacks, jailbreaks, harmful content, and PII leakage in LLM inputs and outputs.
Free plan
298
Active
From $199/mo
#5
SovereignShield Security
Blocks prompt injection attacks and prevents unauthorized actions in AI agent requests before they reach the model.
Free plan
24 linking domains
Active
From $5 once
#6
PromptGuard Scan Security MCP · sign-in
Scans LLM app prompts and retrieved content for injection, jailbreak and secret leakage, failing CI builds on high-risk findings.
Also: Evaluation
Little sign of use
From $25/mo
#7
LockLLM Security
Scans prompts for jailbreaks, injection attacks, and sensitive data before sending to AI models.
Free planAlso: Compliance
18
Maintained
From $0.00 per use
#8
Sunglasses Security
Scans prompts, files, repos and web pages for prompt injection and credential theft before an AI agent reads them.
Free planOpen source
1.9k installs/mo
Active
Open source
2026
#9
Arcjet Security MCP · sign-in
Checks each action an AI agent takes against prompt injection, PII, bot and policy rules before the call runs, and logs the decision.
Same job
738
Active
From $25/mo
#10
AI Security Guard Security
Detects malicious packages, scans prompts for injection attacks, and monitors agent runtime security.
Free planAlso: Agents
675
Maintained
Free
2025

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How this list is made: the words Unplug AI is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.