Alternatives
Updated
PentestGPT alternatives in 2026
PentestGPT is an MIT-licensed, open-source agent framework for LLM-driven penetration testing. Teams look at alternatives when they want a different level of autonomy, a packaged product instead of a research framework, or a managed platform. These are the options that appear most often.
What are the best PentestGPT alternatives?
The closest open-source PentestGPT alternatives are PentAGI (a self-hosted multi-agent system in Docker), Strix (an AI pentesting CLI for developers), Shannon (a white-box AI pentester for web apps and APIs), and HexStrike AI (an MCP server with 150+ security tools). Commercial alternatives are XBOW, Horizon3.ai NodeZero, and Pentera for autonomous testing, and RedCell as a terminal agent. Burp Suite and ZAP remain the manual web testing toolkits that many testers pair with any agent.
PentestGPT alternatives at a glance
Not ranked. RedCell publishes this page and is listed with its limits stated. Confirm current details in each project or vendor site.
| Tool | Type | Best for | Runs as |
|---|---|---|---|
| PentAGI | Open-source autonomous agent (MIT) | Self-hosted multi-agent pentesting with tools isolated in containers | Self-hosted (Docker) |
| Strix | Open-source AI agent (Apache-2.0) | Developers testing their own applications, with proof-of-concept validation | Local CLI with a Docker sandbox |
| Shannon | Open-source AI pentester (AGPL-3.0) | White-box testing of web apps and APIs: it reads the source code, then runs real exploits to prove each finding | Self-hosted |
| HexStrike AICompare with RedCell | Open-source MCP server (MIT) | Giving an existing AI client access to 150+ security tools through MCP | Self-hosted MCP server |
| XBOWCompare with RedCell | Autonomous platform | Continuous testing of web applications, with exploitable findings validated by the platform | Vendor-run platform |
| Horizon3.ai NodeZeroCompare with RedCell | Autonomous platform | Recurring network, cloud, and web application pentests that show real attack paths | Platform with a runner you deploy |
| PenteraCompare with RedCell | Automated security validation | Agentless validation of internal and external network exposure at enterprise scale | Platform deployed for your environment |
| RedCell | Commercial terminal AI agent | Operators who want an agent in their shell for authorized recon, CVE scanning, exploit verification, and reports, with scope checked on every action | Single binary on macOS, Linux, and Windows; needs a RedCell account |
| Burp Suite | Web testing toolkit | Hands-on web application testing by a human tester, with AI-assisted features in recent editions | Desktop app and enterprise scanner |
| ZAP | Open-source web scanner (Apache-2.0) | Free dynamic testing of web apps, including in CI pipelines | Desktop app, daemon, or Docker |
Open source or packaged product
PentAGI, Strix, Shannon, and HexStrike AI keep PentestGPT’s open-source model. PentAGI runs a multi-agent system in Docker, Strix focuses on developers testing their own applications, Shannon reads an application’s source code before it tests, and HexStrike AI exposes 150+ security tools to an existing AI client through MCP. You host each one, choose the models, and own the security of the setup.
XBOW, NodeZero, Pentera, and RedCell are commercial. XBOW is a vendor-run platform for application testing, and NodeZero and Pentera run automated network pentests. RedCell is a terminal agent installed as a single binary, with a RedCell account, metered model usage, and scope checked on every action. Burp Suite and ZAP remain the manual web testing toolkits many testers pair with any agent.
Questions to answer before you switch
Check the maintenance activity, license, and release cadence of each open-source project. Decide who will patch the stack, store secrets, and log activity. For commercial tools, check data handling, model choice, pricing, and how evidence is captured for your reports.
Run any agent only against assets you own or are explicitly authorized to test, inspect the commands it generates, and keep a qualified operator in the loop.
Vendor reference: PentestGPT repository. Product information can change; verify current details with the vendor.