Foolbox

AI Security & Safety · Free + paid

Fast adversarial attacks for deep neural networks

At a glance

Korean
None (English and a few others only)
Open source
MIT
GitHub
2,983 stars · MIT

What is Foolbox?

Foolbox is a Python library that makes it easy to run adversarial attacks on machine learning models such as deep neural networks. Foolbox 3 was rewritten from scratch on top of EagerPy and works natively with PyTorch, TensorFlow, and JAX models. It offers a wide range of gradient-based white-box attacks and decision- and score-based black-box attacks. Type annotations help catch bugs before running. Install it with pip.

  • Native support for PyTorch, TensorFlow, and JAX (based on EagerPy)
  • Gradient-based white-box attacks
  • Decision- and score-based black-box attacks
  • Batch support
  • Type checking (type annotations)
  • Model zoo (importing models and weights)

Who uses Foolbox and for what

  • Benchmarking the robustness of machine learning models with adversarial attacks

Pricing

Open source + paid enterprise plans

Some open-source tools are free; enterprise security platforms are billed under separate contracts

Estimate based on AI knowledge - please verify on the official site

AI tools similar to Foolbox (alternatives)

Foolbox vs. alternatives at a glance

AIPricingCombos on the mapConnected toolsFreeCheapest monthlyKorean
FoolboxFree + paid06——No
ARTFree + paid06——No
GarakFree + paid06Yes—No
HarmBenchFree + paid06——No
TextAttackFree + paid05——No

1 of these 5 tools have a free plan.

Combo and connection counts are based on the relationships recorded on AI Galaxy Map (2026-10-26); they are not a quality ranking.

Foolbox on AI Galaxy Map

  • One of 21 AI tools in the AI Security & Safety field.
  • Connected to 6 other tools — #1 in its field.

Frequently asked questions

Can I use Foolbox for free?

Open source + paid enterprise plans. Prices can change, so check the official site before paying.

What AI can I use instead of Foolbox?

Tools that do the same job, such as ART, Garak, HarmBench, TextAttack, are connected to it on the map.

Can I use Foolbox in Korean?

None (English and a few others only)

Sources (official pages)

Checked on the official pages on 2026-10-14. Prices and features can change, so check the official site again before paying.

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