PromptLayer vs Portkey
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
PromptLayer ranks higher on Top 11 (#3 vs #6) for AI engineers managing and versioning production prompts. The definitive tool for logging and versioning every prompt request.
At a glance
| PromptLayer | Portkey | |
|---|---|---|
| Top 11 rank | #3 / Vellum vs Humanloop vs PromptLayer: 11 Best Prompt Engineering & Prompt Management Tools 2026 | #6 / Vellum vs Humanloop vs PromptLayer: 11 Best Prompt Engineering & Prompt Management Tools 2026 |
| Score (out of 9.4) | 8.9 | 8.2 |
| Best for | Logging and prompt version history | AI gateway and prompt management |
| Pricing | $$ ($99 to $999/mo) | $$ ($100 to $1,000+/mo) |
| HQ | New York, USA | Bengaluru, India |
| Founded | 2022 | 2023 |
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.