head to head · open source
giskard-oss vs xalgorix
giskard-oss has 5,943 GitHub stars, 560 forks, 64 open issues and last shipped 3 days ago. xalgorix has 1,295 stars, 249 forks, 2 open issues and last shipped yesterday. giskard-oss leads on adoption by 359% (5,943 vs 1,295 stars). giskard-oss is written in Python under Apache-2.0; xalgorix is written in Go under Apache-2.0. giskard-oss has attracted 9% as many forks as stars, xalgorix 19%. xalgorix was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai-security), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| giskard-oss | xalgorix | |
|---|---|---|
| GitHub stars | ★ 5.9K | ★ 1.3K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Go |
| Last push | 2026-11-02 | 2026-11-04 |
| Forks | ⑂ 560 | ⑂ 249 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick giskard-oss if
- You weight community size — 5.9K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick xalgorix if
- You want the xalgorix feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and xalgorix fits your workflow better
About giskard-oss
Evals, Red Teaming and Test Generation for Agentic Systems Modular, Lightweight, Dynamic and Async first Docs • Website • Community [!IMPORTANT] Giskard v3 is a fresh rewrite designed for dynamic, multi turn testing of AI agents. This release drops heavy dependencies for better efficiency while introducing a more powerful AI vulnerability scanner and enhanced RAG evaluation — both now shipping natively in giskard scan , with no dependency on v2. Only the legacy scan for tabular/ML models remains v2 only. Giskard v2 remains available but is no longer actively maintained. Follow progress → Read the v3…
read the full giskard-oss overview →
About xalgorix
Xalgorix — Open source AI pentester that proves vulnerabilities Most scanners detect. Xalgorix proves. An autonomous LLM agent works a full pentest methodology, then an independent verifier re exploits every finding before it's reported — so you get proof, not a pile of maybes to triage. Self hosted, private, and bring your own LLM. Built in Go + TypeScript. 🚀 Quick Start · 💡 Why Xalgorix · ✨ Features · 🎯 Use Cases · ☁️ Hosted Cloud · 📖 Docs 📸 Screenshots 🖥️ Self hosted dashboard — runs locally on 127.0.0.1:9137 ☁️ Hosted cloud dashboard — the fully managed version at www.xalgorix.com 🤝 Sponsors Thanks to…
read the full xalgorix overview →
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Frequently asked questions
Is giskard-oss or xalgorix more popular?
giskard-oss has 5,943 GitHub stars and xalgorix has 1,295. giskard-oss has the larger community by that measure.
Are giskard-oss and xalgorix free?
Both are open source. giskard-oss is licensed under Apache-2.0 and xalgorix under Apache-2.0. Neither carries a licence fee.
What is the difference between giskard-oss and xalgorix?
giskard-oss is written in Python and xalgorix in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, giskard-oss or xalgorix?
Choose giskard-oss if you want the larger community (5,943 stars) or its Apache-2.0 licence terms. Choose xalgorix if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.