Promptfoo vs TruLens
On the evidence we track, Promptfoo leads this comparison with a composite score of 54/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for ai evals testing. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Promptfoo
LeaderA comprehensive LLM security testing solution that automatically scans for vulnerabilities such as prompt injections and jailbreaks through dynamic red teaming. Offers both open-source software for local testing and enterprise SaaS with team collaboration, continuous monitoring, and compliance dashboards.
TruLens
An open-source library for systematically evaluating and tracing LLM-based applications, providing feedback functions and metrics to assess quality, safety, and relevance.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Promptfoo
LeaderFree open-source Community tier; Enterprise and On-Premise plans with custom pricing
- CommunityFree
- All LLM evaluation features
- All model providers and integrations
- Red teaming (10k probes/month)
- Custom integration with your own app
- Run locally or self-host on your own infrastructure
- +2 more
- EnterpriseContact sales
- All Community features
- Custom red teaming limits
- Team sharing & collaboration
- Continuous monitoring
- Centralized security/compliance dashboard
- +6 more
- On-PremiseContact sales
- Complete data isolation
- On-premise deployment
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- OpenAI
Promptfoo
Leader- Anthropic
- Google (Gemini)
- DeepSeek
- MCP (Model Context Protocol)
- CI/CD pipelines
- Webhooks
- Agent frameworks
- CI/CD platforms
- GitHub
- Python providers
TruLens
- GEPA
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.