Choose Portkey if you need
- Integration with OpenAI, Anthropic or MongoDB. We haven't found them on PromptLayer's website.
- ISO 27001. We haven't found it on PromptLayer's website.
Side by side, from each tool's own website. A tool's rating shows once it has 3 reviews.
From each tool's own website, checked on the dates below, and from published reviews.
From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.

Nobody has reviewed Portkey yet. Its rating shows once it has 3 reviews.
Review Portkey
Nobody has reviewed PromptLayer yet. Its rating shows once it has 3 reviews.
Review PromptLayerFrom the platforms and integrations each website lists.
Reviewers who say they used one of these before the other.
No reviewer has said they moved between Portkey and PromptLayer yet.
Your review makes this comparison better for the next person. Review Portkey or review PromptLayer.
Portkey: Facts from portkey.ai, checked November 14, 2026. Sources: portkey.ai, portkey.ai/pricing, portkey.ai/features/ai-gateway, portkey.ai/docs/integrations/ecosystem.
PromptLayer: Facts from promptlayer.com, checked November 14, 2026. Sources: promptlayer.com, promptlayer.com/pricing, promptlayer.com/blog/gorgias-uses-promptlayer-to-automate-customer-support-at-scale, promptlayer.com/integrations/claude-code.
Prices change, so confirm on their sites.