Augustus
6.1#11 in ai security testing toolsFree planFree planLinuxmacOSSelf-hostedWindows
VisitAugustus vs Promptfoo
What both publish
| Fact | Augustus | Promptfoo |
|---|---|---|
| Founded | 2010 | 2024 |
| Headquarters | Austin, Texas, United States | Promptfoo identifies San Francisco, California as its base and headquarters. |
| License | The repository identifies Augustus as licensed under Apache 2.0. | The open-source project is distributed under the MIT license. |
| 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. | The getting-started guide says Promptfoo supports 60+ providers, including OpenAI, Anthropic, Google, and local models such as Ollama. |
Augustus plans
- AugustusFree
Promptfoo plans
- CommunityFree
- EnterprisePriced on request
- On-PremisePriced on request
Pick Augustus if…
Augustus is for security professionals who need to scan language models for vulnerabilities. It suits teams able to install and run a self-hosted Go tool and test only with authorization.
Pick Promptfoo if…
Promptfoo suits developers and enterprise teams evaluating prompts, model outputs, and AI application risks. Its local and self-hosted options may appeal to teams that want to run the Community plan on their own infrastructure.