AIR editors read Reddit, Hacker News, PeerSpot, and LLM gateway Discord threads and HN threads—plus the published AIR reviews—for how buyers pick between Portkey and PromptLayer.
Portkey
7.9/10
Overall Score
Recommend
Best for
Platform teams that need one gateway for multi-model routing, fallbacks, budgets, and request logs in front of many LLM providers.
Watch-out
Teams that only want a prompt CMS without a gateway, or buyers who will not accept a security-vendor-owned control plane after the Palo Alto deal.
PromptLayer
6.9/10
Overall Score
Conditional recommend
Best for
Product teams that change prompts often and want a log and version history beside the app.
Watch-out
Teams that need a full agent runtime, or groups whose prompts rarely change and already live in git.
✓Stronger Portkey stronger for Platform teams that need one gateway for multi-model routing, fallbacks, budgets, and request logs in front of many LLM providers.
✓Stronger PromptLayer stronger for Product teams that change prompts often and want a log and version history beside the app.
What buyers say
“Portkey is better as the managed gateway with governance dashboards. PromptLayer is better when prompt versioning and observability are the product, not routing.”
Portkey leads at 7.9 Recommend; PromptLayer sits at 6.9 Conditional recommend. Pick Portkey when Platform teams that need one gateway for multi-model routing, fallbacks, budgets, and request logs in front of many LLM providers. Pick PromptLayer when Product teams that change prompts often and want a log and version history beside the app. Recommendation labels differ; weight Portkey’s Overall lead against whether PromptLayer still matches your constraints.