Humanloop vs PromptLayer

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

Humanloop ranks higher on Top 11 (#2 vs #3) for AI engineers managing and versioning production prompts. Unmatched for model evaluation and integrating human feedback loops.

At a glance

HumanloopPromptLayer
Top 11 rank#2 / Vellum vs Humanloop vs PromptLayer: 11 Best Prompt Engineering & Prompt Management Tools 2026#3 / Vellum vs Humanloop vs PromptLayer: 11 Best Prompt Engineering & Prompt Management Tools 2026
Score (out of 9.4)9.18.9
Best forEvaluation and human feedbackLogging and prompt version history
Pricing$$$ ($200 to $2,000+/mo)$$ ($99 to $999/mo)
HQLondon, UKNew York, USA
Founded20202022

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