head to head · open source
codex-security vs giskard-oss
codex-security has 10,750 GitHub stars, 797 forks, 220 open issues and last shipped yesterday. giskard-oss has 5,823 stars, 537 forks, 64 open issues and last shipped 2 days ago. codex-security leads on adoption by 85% (10,750 vs 5,823 stars). codex-security is written in TypeScript under Apache-2.0; giskard-oss is written in Python under Apache-2.0. codex-security has attracted 7% as many forks as stars, giskard-oss 9%. codex-security 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
| codex-security | giskard-oss | |
|---|---|---|
| GitHub stars | ★ 11K | ★ 5.8K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-09-17 | 2026-09-16 |
| Forks | ⑂ 797 | ⑂ 537 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick codex-security if
- You weight community size — 11K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick giskard-oss if
- You want the giskard-oss feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and giskard-oss fits your workflow better
About codex-security
Codex Security is OpenAI's command line tool and TypeScript SDK, published on npm as @openai/codex security , that finds, validates, and fixes security vulnerabilities in a codebase, and it serves application security engineers, DevSecOps teams, and developers who want that scanning to run from their own terminal or CI.
read the full codex-security overview →
About giskard-oss
Giskard OSS is an open source Python library for evaluating, red teaming and testing LLM agents and RAG pipelines, built for developers, ML engineers and AI security teams that need reproducible checks on non deterministic systems.
read the full giskard-oss overview →
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Frequently asked questions
Is codex-security or giskard-oss more popular?
codex-security has 10,750 GitHub stars and giskard-oss has 5,823. codex-security has the larger community by that measure.
Are codex-security and giskard-oss free?
Both are open source. codex-security is licensed under Apache-2.0 and giskard-oss under Apache-2.0. Neither carries a licence fee.
What is the difference between codex-security and giskard-oss?
codex-security is written in TypeScript and giskard-oss 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, codex-security or giskard-oss?
Choose codex-security if you want the larger community (10,750 stars) or its Apache-2.0 licence terms. Choose giskard-oss if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.