promptfoo vs logfire — Trust Score Comparison
Side-by-side trust comparison of promptfoo and logfire. Scores based on security, compliance, maintenance, popularity, and ecosystem signals.
Detailed Metric Comparison
| Metric | promptfoo | logfire |
|---|---|---|
| Trust Score | 92.6/100 | 88.9/100 |
| Grade | A+ | A |
| Stars | 18,373 | 4,040 |
| Category | security | infrastructure |
| Security | 1 | 1 |
| Compliance | 97 | 100 |
| Maintenance | 1 | 1 |
| Documentation | 1 | 1 |
| EU AI Act Risk | N/A | N/A |
| Verified | Yes | Yes |
Verdict
promptfoo leads with a trust score of 92.6/100 compared to logfire's 88.9/100 (a 3.7-point difference). promptfoo scores higher on security (1 vs 1). Both agents should be evaluated based on your specific requirements.
Detailed Analysis
Security
promptfoo leads on security with a score of 1/100 compared to logfire's 1/100. This score reflects dependency vulnerability analysis, known CVE exposure, and security best practices. A higher security score means fewer known vulnerabilities and better security hygiene in the codebase.
Maintenance & Activity
promptfoo demonstrates stronger maintenance activity (1/100 vs 1/100). This metric captures commit frequency, issue response times, and release cadence. Actively maintained tools receive faster security patches and are less likely to accumulate technical debt.
Documentation
promptfoo has better documentation (1/100 vs 1/100). Good documentation reduces onboarding time and helps teams adopt the tool safely. This score evaluates README completeness, API documentation, code examples, and tutorial availability.
Community & Adoption
promptfoo has 18,373 GitHub stars while logfire has 4,040. promptfoo has significantly broader community adoption, which typically means more Stack Overflow answers, more third-party tutorials, and faster ecosystem development.
When to Choose Each Tool
Choose promptfoo if you need:
- Higher overall trust score — more reliable for production use
- Stronger security profile with fewer known vulnerabilities
- Larger community (18,373 vs 4,040 stars)
Choose logfire if you need:
- Consider if it better fits your specific use case
Switching from promptfoo to logfire (or vice versa)
When migrating between promptfoo and logfire, consider these factors:
- API Compatibility: promptfoo (security) and logfire (infrastructure) serve different categories, so migration may require significant refactoring.
- Security Review: Run a security audit after migration. Check the promptfoo safety report and logfire safety report for known issues.
- Testing: Ensure your test suite covers all integration points before switching in production.
- Community Support: promptfoo has 18,373 stars and logfire has 4,040. Larger communities typically mean better Stack Overflow answers and migration guides.
Related Pages
Frequently Asked Questions
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Last updated: 2026-04-05 | Data refreshed weekly
Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.