Comparison
TriggerLab vs Promptfoo
Promptfoo is a powerful open-source CLI for LLM evaluation. TriggerLab is a no-code certification platform with signed certificates and compliance mapping. Different tools for different needs.
TriggerLab
No-code platform. Paste your agent URL, run 105+ adversarial tests, get an RSA-signed certificate and compliance report. Built for teams who need to prove their agent is safe to customers and auditors.
Promptfoo
Open-source CLI tool for LLM evaluation. Write YAML configs to define custom test suites, run them locally or in CI, and iterate on prompts. Built for developers who want full control over test authoring.
Feature Comparison
| Feature | TriggerLab | Promptfoo |
|---|---|---|
| Type | Platform (no-code) | CLI tool (code required) |
| Setup | Paste URL, click test | Write YAML configs |
| Adversarial tests | 105+ built-in | Write your own |
| Certificates | RSA-2048 signed | None |
| Compliance mapping | SOC 2 / GDPR / HIPAA / ISO 27001 | None |
| Agent directory | Yes (The Lab) | None |
| PvP Arena | Yes | None |
| PDF reports | Yes | None |
| Embeddable badges | Yes | None |
| Open source | No | Yes (MIT) |
| Custom test authoring | Coming soon | Full flexibility |
| CI/CD integration | API + webhooks | Native CLI |
| Pricing | Free / $49 / $149 | Free (open source) |
When to choose TriggerLab
- You need a certification your customers can verify
- You want compliance reports for SOC 2, GDPR, HIPAA, or ISO 27001
- You prefer a no-code approach over writing YAML configs
- You want 105+ adversarial tests without building them yourself
- You need embeddable trust badges for your marketing site
- You want continuous monitoring with automatic re-testing
When to choose Promptfoo
- You want full control over every test case and evaluation criteria
- You prefer open-source tools you can self-host and modify
- You need to test prompt iterations during development, not just production
- Your team is comfortable writing YAML and running CLI tools
- You want to integrate testing into an existing CI/CD pipeline with custom logic
- Budget is a primary concern and you need a completely free solution
The bottom line
Promptfoo and TriggerLab solve different problems. Promptfoo is a developer tool for iterating on prompts and evaluations during development. TriggerLab is a certification platform for proving your production agent is safe, reliable, and compliant.
Many teams use both: Promptfoo in their CI pipeline for prompt regression testing, and TriggerLab for the official certification they share with customers. They complement each other.
Try TriggerLab free
No credit card. No YAML. Paste your agent URL and get your reliability score in minutes.
Run Free Test