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Tech riderRev. 4 Oct 2026

Augustus

Ch 087.2of 29 AI Security Testing Tools
  1. 1Runs onLinux, Mac, self-hosted, Windows
  2. 2CostsFree plan
  3. 3Prompt injection testsYes
  4. 4Jailbreak testsYes
  5. 5Data leakage testsYes
  6. 6Unsafe output testsYes
  7. 7Custom test casesYes
  8. 8Deployment modeself hosted
8 lines stated Written from the maker's own pages: github.com
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The Augustus homepage

Overview

Augustus is ranked #8 of 29 in AI security testing tools on Specifiction. It runs on Linux, macOS, Self-hosted, Windows. There is a free plan.

Augustus plans and pricing

All plans
Augustus Free Apache 2.0 licensed open-source software · API usage may require provider credentials github.com · 4 Oct 2026

Compared on AI security testing tools

Prompt injection tests
Yesgithub.com
Jailbreak tests
Yesgithub.com
Data leakage tests
Yesgithub.com
Unsafe output tests
Yesgithub.com
Custom test cases
Yesgithub.com
Deployment mode
self_hostedgithub.com

Facts

Purpose
Augustus is a Go-based LLM vulnerability scanner for security professionals that tests models against adversarial attacks and produces vulnerability reports.github.com · 4 Oct 2026
Attack coverage
The README describes 210+ vulnerability probes across 47 attack categories, including jailbreaks, prompt injection, data extraction, safety benchmarks, and agent attacks.github.com · 4 Oct 2026
Providers
It supports 28 LLM provider categories with 43 generator variants, including OpenAI, Anthropic, Azure OpenAI, AWS Bedrock, Vertex AI, Ollama, and custom REST endpoints.github.com · 4 Oct 2026
Detectors
It includes 90+ detectors such as pattern matching, LLM-as-a-judge, HarmJudge, Perspective API, and unsafe content detection.github.com · 4 Oct 2026
Prompt transformations
Seven prompt transformations include encoding, paraphrase, poetry, low-resource language translation, and case transforms.github.com · 4 Oct 2026
Reports
Scan results can be output as tables, JSON, JSONL, or HTML reports.github.com · 4 Oct 2026
Production features
The project lists concurrent scanning, rate limiting, retry logic, and timeout handling as built-in production features.github.com · 4 Oct 2026
Distribution
Augustus compiles as a portable single binary and can be installed with Go or built from source; the README requires Go 1.27.0 or later.github.com · 4 Oct 2026
License
The repository identifies Augustus as licensed under Apache 2.0.github.com · 4 Oct 2026
Authorized use
The project says Augustus is designed for authorized security testing and instructs users to test only systems they own or have explicit permission to test.github.com · 4 Oct 2026
Security reporting
The security policy asks researchers to report vulnerabilities privately by email and says receipt will be acknowledged within 48 hours and severity assessed within 7 days.github.com · 4 Oct 2026
Support
The README directs users to open GitHub issues for bugs or feature requests and invites contributions of probes, detectors, and provider integrations.github.com · 4 Oct 2026
Intended audience
The README describes Augustus as built for production security testing and identifies security professionals as its users.github.com · 4 Oct 2026

Company

Founded
2010github.com · 28 Sept 2026
Headquarters
Austin, Texas, United Statesgithub.com · 28 Sept 2026

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Where it ranks on Specifiction

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