Vellum vs Langfuse

Side-by-side from the Top 11 ranking of Vellum vs Humanloop vs PromptLayer: 11 Best Prompt Engineering & Prompt Management Tools 2026. Last verified May 31, 2026.

The short answer

Vellum ranks higher on Top 11 (#1 vs #4) for AI engineers managing and versioning production prompts. The most complete and production-ready platform for the entire prompt lifecycle.

At a glance

VellumLangfuse
Top 11 rank#1 / Vellum vs Humanloop vs PromptLayer: 11 Best Prompt Engineering & Prompt Management Tools 2026#4 / Vellum vs Humanloop vs PromptLayer: 11 Best Prompt Engineering & Prompt Management Tools 2026
Score (out of 9.4)9.38.7
Best forEnd-to-end production workflowsOpen-source observability and tracing
Pricing$$$ ($500 to $5,000+/mo)$$ ($0 to $1,500+/mo)
HQSan Francisco, USABerlin, Germany
Founded20232023

Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.