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PromptLock vs Semgrep
Short answer: Pick PromptLock if you want compliance-aware prompt protection; pick Semgrep if you want AI-augmented static analysis across code and supply chain. PromptLock has a free plan, paid from $49/month; Semgrep has a free plan.
PromptLockAI firewall that blocks prompt injection and redacts PII in one API call
SemgrepStatic analysis for finding bugs and security issues in codeWhich to pick
Pick PromptLock if you want…
- Compliance-aware prompt protection
- Integrations with n8n, Flowise or Bubble (on PromptLock's list, not Semgrep's)
Pick Semgrep if you want…
- AI-augmented static analysis across code and supply chain
- Static code analysis
- Open-source code (semgrep/semgrep on GitHub, LGPL-2.1 license)
- Integrations with CLI, CI/CD or VS Code (on Semgrep's list, not PromptLock's)
Side by side
- What it is
- PromptLock:PromptLock is an AI firewall that blocks prompt injection and redacts PII/PHI in a single API call.
- Semgrep:Semgrep is an extensible AppSec platform that combines AI-assisted SAST, SCA, secrets and malware detection to surface actionable security issues.
- Best for
- PromptLock:Compliance-aware prompt protection
- Semgrep:AI-augmented static analysis across code and supply chain
- Who it’s for
- PromptLock:Teams building AI apps that handle regulated customer data.
- Semgrep:Developers, AppSec teams and security leaders who need integrated static analysis.
- Pricing
- PromptLock:Freemium
- Semgrep:Freemium
- Starting price
- PromptLock:$49/month (Starter)
- Semgrep:—
- Free plan or trial
- PromptLock:Free plan (Free) · Free trial
- Semgrep:Free trial
- Plans
- PromptLock:Free $0/mo · Starter $49/mo per month · Pro $199/mo per month
- Semgrep:—
- Open source
- PromptLock:—
- Semgrep:Yes, 16,826 GitHub stars
- Works with
- PromptLock:n8n, Flowise, Bubble, Retool, RapidAPI
- Semgrep:CLI, CI/CD, VS Code, GitHub, GitLab, Bitbucket, Azure, Jira
PromptLock features
- Compliance-aware redaction. Detects and redacts HIPAA, GDPR, and PCI-DSS data based on context.
- Prompt injection detection. Blocks jailbreaks, system-prompt overrides and injection chains before they reach the LLM.
- Audit-ready logging. Logs every request with compliance tags and allows CSV/JSON export.
- One-line SDK integration. Add protection with a single function call in your code.
- Dashboard & usage insights. Provides request history, violation insights and compliance reporting.
- Rate limiting & abuse protection. Built-in limits (100/min) and key-based access control.
Semgrep features
- AI-assisted SAST, SCA & Secrets. Detect vulnerabilities, vulnerable dependencies and hard-coded secrets with rule-based analysis enhanced by AI.
- Multimodal Detection. Combine deterministic static analysis with AI reasoning to find complex issues like IDORs and logic flaws.
- Noise Filtering & Triage. AI learns code context to suppress false positives and prioritize real risks, reducing backlog.
- Automated Remediation. Generate fix suggestions and upgrade guidance directly in PRs and IDEs.
- Malware Firewall. Runs on developer machines to block malicious open-source packages before they reach the environment.
- Incident Response Automation. Enterprise policies trigger Slack/Jira workflows and API alerts for rapid malware incident handling.
- Wide Integration Support. CLI, CI/CD, VS Code, JetBrains, GitHub, GitLab, Bitbucket, Azure, Jira, APIs/webhooks and AI tool integrations.
PromptLock vs Semgrep FAQ
What is the difference between PromptLock and Semgrep?+
Semgrep: Static analysis for code bugs and security, not runtime AI data compliance.
Should I use PromptLock or Semgrep?+
Pick PromptLock if you want compliance-aware prompt protection or integrations with n8n, Flowise or Bubble (on PromptLock's list, not Semgrep's). Pick Semgrep if you want AI-augmented static analysis across code and supply chain, static code analysis or open-source code (semgrep/semgrep on GitHub, LGPL-2.1 license).
Is PromptLock or Semgrep free?+
PromptLock has a free plan; paid plans start at $49/month (Starter). Semgrep has a free plan and paid plans.
Is PromptLock or Semgrep open source?+
Semgrep is open source (semgrep/semgrep on GitHub, LGPL-2.1 license). DevHunt has no public source repository on record for PromptLock.
Do PromptLock and Semgrep integrate with the same tools?+
Their integration lists don't overlap: PromptLock lists n8n, Flowise, Bubble, Retool and 1 more; Semgrep lists CLI, CI/CD, VS Code, GitHub and 10 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.