What is the best free alternative to PentestGPT?
Magika (Google) is the closest free alternative to PentestGPT: same Security & IT Operations sub-category, and it is free. Deep-learning file-content type detection across 200+ types
Best free PentestGPT alternatives
Looking for a free alternative to PentestGPT? Here are 9 security & it operations worth trying — 7 with a free tier. PentestGPT itself is free.
| Tool | PentestGPT (you searched) | Magika (Google) | Strix | Snyk |
|---|---|---|---|---|
| Pricing | free | free | free | freemium |
| Best for | Agentic framework automating penetration-testing and CTF tasks with LLMs | Deep-learning file-content type detection across 200+ types | Open-source autonomous agents that probe apps and validate vulnerabilities with proof-of-concept exploits | AI-powered code and dependency security |
| Visit | Open ↗ | Open ↗ | Open ↗ | Open ↗ |
PentestGPT alternatives — straight answers
Are there free PentestGPT alternatives?
Yes — 7 of the 9 alternatives listed here are free or freemium: Magika (Google), Strix, Snyk, Socket, Aikido Security. The other 2 are trial or paid.
Is PentestGPT free?
PentestGPT is free. There is no paid plan attached to it in the catalog.
How were these PentestGPT alternatives chosen?
They are the other tools in Security & IT Operations, then the rest of Industry-Specific Tools, ordered free tiers first and capped at 9. There is no sponsorship and no paid placement in that ordering — only the pricing tier decides.
All PentestGPT alternatives
Browse Security & IT Operations →Magika (Google)
Security & IT Operations
✦ WhyA PentestGPT alternative — Deep-learning file-content type detection across 200+ types.
- Deep-learning file-content type detection across 200+ types
- Millisecond inference on CPU
- CLI, Python, JS and Rust bindings
- Used inside Gmail and VirusTotal pipelines
Strix
Security & IT Operations
✦ WhyA PentestGPT alternative — Open-source autonomous agents that probe apps and validate vulnerabilities with proof-of-concept exploits.
- Open-source autonomous agents that probe apps and validate vulnerabilities with proof-of-concept exploits
- Runs locally with any LLM provider
- Apache-2.0
Snyk
Security & IT Operations
✦ WhyA PentestGPT alternative — AI-powered code and dependency security.
- AI-powered code and dependency security
- Fixes vulnerabilities in your PRs
- Secures AI-generated code
- Free developer tier
Socket
Security & IT Operations
✦ WhyA PentestGPT alternative — Detects compromised packages via behavioral analysis (network calls, install scripts) rather than just CVE matching.
- Detects compromised packages via behavioral analysis (network calls, install scripts) rather than just CVE matching
- Always free for open-source projects, unlimited devs/repos on a monthly scan cap
- Blocks malicious dependencies automatically at install time
Aikido Security
Security & IT Operations
✦ WhyA PentestGPT alternative — All-in-one AppSec: SAST, dependency scanning, secrets detection, cloud/IaC scanning in one platform.
- All-in-one AppSec: SAST, dependency scanning, secrets detection, cloud/IaC scanning in one platform
- Free plan covers 2 users, 10 repos, core scanners, no card required
- AI Pentesting simulates real-world attacks trained on real exploits
Nuclei
Security & IT Operations
✦ WhyA PentestGPT alternative — Template-based vulnerability scanner with thousands of community templates.
- Template-based vulnerability scanner with thousands of community templates
- AI-assisted template generation from natural-language prompts in the ProjectDiscovery ecosystem
- MIT licensed
garak (NVIDIA)
Security & IT Operations
✦ WhyA PentestGPT alternative — Open-source scanner probing LLMs for prompt injection, jailbreaks, leakage and toxicity.
- Open-source scanner probing LLMs for prompt injection, jailbreaks, leakage and toxicity
- Plugs into Hugging Face, OpenAI-compatible and local models
- Apache-2.0
Microsoft Security Copilot
Security & IT Operations
✦ WhyA PentestGPT alternative — AI copilot for security operations.
- AI copilot for security operations
- Incident summaries and threat hunting
- Agents for phishing and alerts
- Enterprise consumption pricing
CrowdStrike Charlotte AI
Security & IT Operations
✦ WhyA PentestGPT alternative — Agentic SOC analyst on the Falcon platform.
- Agentic SOC analyst on the Falcon platform
- Autonomous triage and detection
- Natural-language threat questions
- Enterprise pricing