# Finshir vs Plainsea Agentic Penetration Testing Platform: side-by-side comparison (2026) [Finshir](https://cybersectools.com/tools/finshir) is a free [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution. [Plainsea Agentic Penetration Testing Platform](https://cybersectools.com/tools/plainsea-agentic-penetration-testing-platform) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [Plainsea](https://cybersectools.com/companies/plainsea). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | Finshir | Plainsea Agentic Penetration Testing Platform | |---|---|---| | Pricing model | Free | Commercial | | Category | Penetration Testing | Penetration Testing | | Verified | No | No | | Deployment type | On-Premises | Cloud | | Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise | | GitHub stars | 33 | – | | Last commit | May 2019 | – | | Company | – | Plainsea | | Headquarters | – | – | ### Use cases and capabilities | | Finshir | Plainsea Agentic Penetration Testing Platform | |---|---|---| | Tor | Yes | – | | TCP | Yes | – | | AI Pentesting | – | Yes | | Penetration Testing Framework | – | Yes | | Continuous Testing | – | Yes | | Red Team | – | Yes | | Agentic AI Security | – | Yes | | Vulnerability Prioritization | – | Yes | | Security Reporting | – | Yes | | VAPT | – | Yes | | Security Validation | – | Yes | ### Core features **Finshir** No features listed. **Plainsea Agentic Penetration Testing Platform** 10 features listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Finshir](https://cybersectools.com/tools/finshir) fits if you need to run it on your own servers, you need a free product and you want an open-source product. - [Plainsea Agentic Penetration Testing Platform](https://cybersectools.com/tools/plainsea-agentic-penetration-testing-platform) fits if you want a cloud product. ## Finshir vs Plainsea Agentic Penetration Testing Platform FAQ Common questions when comparing Finshir vs Plainsea Agentic Penetration Testing Platform for penetration testing. ### What is the difference between Finshir and Plainsea Agentic Penetration Testing Platform? **Finshir**: High-performant, coroutines-driven, and fully customisable Low & Slow load generator for real-world pentesting with undetectability through Tor. **Plainsea Agentic Penetration Testing Platform**: Agentic AI platform for continuous, full-lifecycle penetration testing. Built by Plainsea. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Finshir and Plainsea Agentic Penetration Testing Platform? **Finshir** is open-source with 33 GitHub stars. **Plainsea Agentic Penetration Testing Platform** is made by Plainsea. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Finshir a good alternative to Plainsea Agentic Penetration Testing Platform? Often, yes. Finshir and Plainsea Agentic Penetration Testing Platform are both Penetration Testing products. Key differences: Finshir is Free while Plainsea Agentic Penetration Testing Platform is Commercial, Finshir is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Finshir vs StealthNet AI](https://cybersectools.com/compare/finshir-vs-stealthnet-ai) - [Finshir vs Parameter Pentesting](https://cybersectools.com/compare/finshir-vs-parameter-pentesting) - [Finshir vs Strike PTaaS](https://cybersectools.com/compare/finshir-vs-strike-ptaas) - [Plainsea Agentic Penetration Testing Platform vs StealthNet AI](https://cybersectools.com/compare/plainsea-agentic-penetration-testing-platform-vs-stealthnet-ai) - [Plainsea Agentic Penetration Testing Platform vs Parameter Pentesting](https://cybersectools.com/compare/parameter-pentesting-vs-plainsea-agentic-penetration-testing-platform) - [Plainsea Agentic Penetration Testing Platform vs Strike PTaaS](https://cybersectools.com/compare/plainsea-agentic-penetration-testing-platform-vs-strike-ptaas) ## Alternatives to each - [See all Finshir alternatives](https://cybersectools.com/alternatives/finshir) - [See all Plainsea Agentic Penetration Testing Platform alternatives](https://cybersectools.com/alternatives/plainsea-agentic-penetration-testing-platform) --- Source: https://cybersectools.com/compare/finshir-vs-plainsea-agentic-penetration-testing-platform For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/finshir.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Finshir and Plainsea Agentic Penetration Testing Platform: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md