head to head · open source
giskard-oss vs api-relay-audit
giskard-oss has 5,943 GitHub stars, 560 forks, 64 open issues and last shipped 3 days ago. api-relay-audit has 905 stars, 83 forks, 26 open issues and last shipped 9 days ago. giskard-oss leads on adoption by 557% (5,943 vs 905 stars). giskard-oss is written in Python under Apache-2.0; api-relay-audit is written in Python under AGPL-3.0. giskard-oss has attracted 9% as many forks as stars, api-relay-audit 9%. giskard-oss was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai-security, llm-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 | api-relay-audit | |
|---|---|---|
| GitHub stars | ★ 5.9K | ★ 905 |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-10-27 |
| Forks | ⑂ 560 | ⑂ 83 |
| 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 api-relay-audit if
- You want the api-relay-audit feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and api-relay-audit 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 Giskard v2 remains available but is no longer actively maintained.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 api-relay-audit
API Relay Audit Local security audit for AI API relays and LLM proxies. DSH Plugin Your Agent Is Mine: what you can test locally Your Agent Is Mine documents malicious API relays injecting payloads and exfiltrating credentials. Anthropic's September 10, 2026 report describes fraudulent Claude resellers swapping models and harvesting credentials through their client tooling. In his September 11 disclosure, co author Chaofan Shou reports buying router data containing users' credentials. API Relay Audit is an independent, local security audit tool for AI API relays and LLM proxies, informed by the paper. The…
read the full api-relay-audit overview →
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Frequently asked questions
Is giskard-oss or api-relay-audit more popular?
giskard-oss has 5,943 GitHub stars and api-relay-audit has 905. giskard-oss has the larger community by that measure.
Are giskard-oss and api-relay-audit free?
Both are open source. giskard-oss is licensed under Apache-2.0 and api-relay-audit under AGPL-3.0. Neither carries a licence fee.
What is the difference between giskard-oss and api-relay-audit?
giskard-oss is written in Python and api-relay-audit in Python. 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 api-relay-audit?
Choose giskard-oss if you want the larger community (5,943 stars) or its Apache-2.0 licence terms. Choose api-relay-audit if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.