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AgentDojo vs Augustus

AgentDojo

agentdojo.spylab.ai

Augustus

github.com

Side by side

FigureAgentDojoAugustus
Price from—Free
Free plan—Yes
Free trial——
Open source——
Windows—Yes
macOS—Yes
LinuxYesYes
APIYes—
Self-hostedYesYes
Plans published01
Spec score · AI Security Testing Tools7.8 (#12)8.2 (#10)
LicenseThe project's GitHub page identifies its license as MIT.The repository identifies Augustus as licensed under Apache 2.0.
PurposeAgentDojo is a dynamic environment for evaluating prompt injection attacks and defenses for LLM agents.Augustus is a Go-based LLM vulnerability scanner for security professionals that tests models against adversarial attacks and produces vulnerability reports.

Plans

AgentDojo

No plans published.

AgentDojo pricing →

Augustus

  • AugustusFree

Augustus pricing →

In their own words

AgentDojo

AgentDojo has no write-up on Specifiction yet; its figures are above.

Visit agentdojo.spylab.ai

Augustus

Augustus is a free, self-hosted Go scanner for security professionals assessing large language models. It runs adversarial probes and produces vulnerability reports, with more than 210 probes across 47 attack categories, including jailbreaks, prompt injection, data extraction, safety benchmarks, and agent attacks. It supports 28 provider categories and 43 generator variants, including hosted providers, Ollama, and custom REST endpoints. More than 90 detectors cover approaches such as pattern matching, LLM-as-a-judge, HarmJudge, Perspective API, and unsafe-content detection; seven prompt transformations include encoding, paraphrase, poetry, low-resource-language translation, and case changes. Results can be written as tables, JSON, JSONL, or HTML. The project lists concurrent scanning, rate limits, retries, and timeout handling. Augustus compiles to a portable single binary and can be installed with Go or built from source; the README requires Go 1.27.0 or later. It is Apache 2.0 licensed. The project is intended for authorized security testing, and users are told to test only systems they own or have permission to assess. Provider API use may require credentials.

Visit github.com