AI Governance Safety & Evaluation Free

Garak

Open-source command-line scanner for probing and red-teaming language models

Visit official website
PricingFree
Starting price$0
Free planYes
Free trialYes
APINo
Open sourceYes
DeploymentSelf Hosted
Last verifiedAugust 2, 2026
Overview

Tool overview

Garak is listed under AI Governance Safety & Evaluation AI tools.

Summary

What is Garak?

garak is NVIDIA-supported open-source software for testing language models and dialog systems against prompt injection, data leakage, hallucination, misinformation, toxicity, jailbreaks, and other failure modes. It runs as a local Python command-line tool and supports many model providers and custom REST-accessible generators.

Best fit

Best for

Security and AI teams testing language-model failure modes in controlled environments

Audience

Who is it for?

AI security engineersRed teamsModel evaluation teamsML platform engineers
Recommendation

Decision note

Accepted for Preview after independent V411 official-source research. Apply only after failures = 0, warnings = 0, unmapped = 0, and review of controlled fields, Arabic v2 parity, outreach, affiliate status, logo QA, rebrand handling, and explicit clears.

Capabilities

Key features

Static, dynamic, and adaptive vulnerability probes

Command-line scanning and reporting

Support for hosted and local model generators

Extensible detectors, probes, and harnesses

Workflows

Use cases

Testing prompt-injection resistance

Scanning for data leakage and jailbreaks

Comparing model safety behavior

Integrating LLM tests into security workflows

Strengths

Pros

  • Free under Apache-2.0
  • Broad model-provider support
  • Maintained with NVIDIA contribution
Considerations

Limitations

garak does not prove that a model or application is secure. Coverage depends on selected probes, model settings, target permissions, and detector quality. Users must obtain authorization, prevent harmful output exposure, control costs, and combine scanning with broader threat modeling and review.

Cost

Pricing details

Pricing modelFree
Starting price$0
Free planYes
Free trialYes
Pricing context

Billing options

Free open-source software

Pricing context

Pricing note

garak is free open-source software under Apache-2.0. There is no paid hosted plan or trial. Users remain responsible for model API charges, local compute, storage, security review, and any infrastructure used to run scans.

View official pricing
Compatibility

Supported languages

  • English
Connectivity

Integrations

OpenAI

Hugging Face

Replicate

AWS Bedrock

LiteLLM

REST generators

Specs

Technical details

PlatformsDesktop
Multilingual supportUnknown
Login requiredNo
Open sourceYes
LicenseApache-2.0
DeploymentSelf Hosted
CompanyNVIDIA and garak contributors
Launch year2022
Current version0.15.1
Models / versionsStatic probes Dynamic probes Adaptive probes Detectors
Editions / plansOpen-source package
Data confidenceHigh
Last verifiedAugust 2, 2026
Documentation → Source code → Release notes → Data source →
Decision hub

Finish your evaluation of Garak

Move between similar tools, comparison cards, quick answers, user reviews, and open discussion without leaving the page.

Tools, comparisons & answers

Explore the best next step before choosing Garak

Browse similar tools, open focused comparison cards, and answer the most common buying questions.

Similar tools Comparisons FAQ
Compare

Compare alternatives

See how Garak compares with the closest relevant AI tools.

Build custom comparison
Smart AI comparison Garak vs F5 AI Guardrails Compare pricing, ratings, features, AI score, and use cases. Enterprise only alternative View comparison Smart AI comparison Garak vs Superagent Compare pricing, ratings, features, AI score, and use cases. Freemium alternative View comparison Smart AI comparison Garak vs TrustAI Compare pricing, ratings, features, AI score, and use cases. Unknown alternative View comparison Smart AI comparison Garak vs Traceloop Compare pricing, ratings, features, AI score, and use cases. Freemium alternative View comparison
Answers

Frequently asked questions

garak is NVIDIA-supported open-source software for testing language models and dialog systems against prompt injection, data leakage, hallucination, misinformation, toxicity, jailbreaks, and other failure modes. It runs as a local Python command-line tool and supports many model providers and custom REST-accessible generators.
Security and AI teams testing language-model failure modes in controlled environments
The listed pricing model for Garak is Free. Pricing can change, so users should verify the latest plan details on the official website.
Yes. The current profile indicates that a free trial is available.
Community proof

User reviews

Real user feedback helps others understand strengths, limitations, and the best-fit workflows before choosing this tool.

No reviews Average rating
0 Total reviews
No reviews yet

Be the first to review Garak

Share what worked, what did not, who this AI tool is best for, and what buyers should verify before choosing it.

Ask in discussion
Tool discussion

Ask or discuss this tool

Ask questions, share workflows, or discuss your experience with this AI tool.

ReplyContinue threads
EditUpdate your posts
ReportKeep it useful
0Total messages
0Threads
0Replies
Start a useful threadAsk, compare workflows, or reply to reviews

Keep it specific and helpful. You can edit or delete your own messages after posting.

Please log in to join the discussion.

Live discussion

Community messages

Reply to messages and keep the discussion useful. Use Report for abuse or spam. Your own posts can be edited or deleted.

No discussion yetBe the first to ask a question or share a useful workflow.