AgentSeal vs Promptfoo
AgentSeal
agentseal.org
Promptfoo
promptfoo.devSide by side
| Figure | AgentSeal | Promptfoo |
|---|---|---|
| Price from | $19/mo | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | Yes | Yes |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 3 | 3 |
| Spec score · AI Red Teaming Tools | 9.4 (#1) | 8.6 (#4) |
| Installation | The project publishes installation through pip and npm packages. | Installation is available through npm, npx, Homebrew, and a project dependency; npm and npx require Node.js 22.22.0 or newer. |
| License | The GitHub repository and PyPI metadata identify the license as FSL-1.1-Apache-2.0. | The open-source project is distributed under the MIT license. |
| Providers | Documented providers include OpenAI, Anthropic, Ollama, LiteLLM, MiniMax, and arbitrary HTTP endpoints. | The getting-started guide says Promptfoo supports 60+ providers, including OpenAI, Anthropic, Google, and local models such as Ollama. |
| Support | The pricing page lists community support for Free and priority support for Pro; the contact page says replies typically arrive within 24 hours. | Community support is provided through chat and GitHub issues, while Enterprise includes professional services and dedicated Slack support. |
| System requirements | The repository states Python 3.10+ or Node.js 18+ is required. | The documentation recommends Node.js 24 LTS and supports Windows, macOS, and Linux command-line usage. |
| What it does | AgentSeal is an AI-agent security toolkit that red-teams prompts, scans agent files and MCP configurations, and monitors changes. | Promptfoo is a local-first open-source CLI and library for evaluating and red-teaming LLM applications. |
Plans
In their own words
Promptfoo
Promptfoo helps developers and enterprises evaluate prompts and test AI applications for security risks. It compares prompt outputs across multiple models in a web view. Red-team testing simulates users to look for prompt injections, jailbreaks, data leaks, business rule violations and insecure agent tool use. Its getting-started guide lists more than 60 providers, including OpenAI, Anthropic, Google and local models such as Ollama. Integrations include CI systems such as GitHub Actions, GitLab CI, Jenkins, Azure Pipelines, CircleCI and Bitbucket Pipelines, plus Splunk, Burp Suite, Google Sheets and MCP. Installation is available through npm, npx or Homebrew. Promptfoo requires Node.js 22.22.0 or newer and recommends Node.js 24 LTS. The free Community plan includes all LLM evaluation features and 10k red-team probes per month, and can run locally or be self-hosted. Enterprise includes managed cloud deployment; On-Premise runs on customer infrastructure. Promptfoo says it is based in San Francisco, is now part of OpenAI and remains open source.