promptfoo/promptfoo vs langfuse/langfuse
promptfoo/promptfoo scores higher overall: 83/100 (A-tier) against 80/100 (A-tier). promptfoo/promptfoo leads on reliability, skill leverage, safety; langfuse/langfuse leads on adoption. Scored 2026-07-07, methodology v1.0.
Dimension by dimension
| Dimension | promptfoo | langfuse |
|---|---|---|
| Reliability | 78 | 76 |
| Skill Leverage | 82 | 78 |
| Documentation | 84 | 84 |
| Maintenance | 92 | 92 |
| Safety / Governance | 76 | 72 |
| Evaluation Readiness | 92 | 84 |
| Composability | 82 | 80 |
| Adoption (capped) | 84 | 86 |
| Overall | 83 · A | 80 · A |
The entries
Test harness for prompts, agents, and RAG pipelines: declarative test cases, assertions, matrix comparisons, and red-team scanning, runnable…
Open-source LLM engineering platform: tracing, evals, prompt management, and metrics for agent systems. The observability layer most stacks…
Frequently asked questions
promptfoo/promptfoo or langfuse/langfuse?
promptfoo/promptfoo scores higher overall (83 vs 80, methodology v1.0). But they are the same category, so the dimension table below is the real answer.
How is this comparison generated?
Both scorecards come from the same public rubric with evidence notes, scored by the same editorial process. This page presents them side by side; it adds no new judgments beyond the scores themselves.