Agent Stack Directory

Compare model gateways

OpenRouter vs Portkey

Two model gateways tools for AI agents, side by side. Facts come from each tool's own site.

OpenRouter

openrouter.ai

One API for many models from many providers, with model and price comparison.

New
Visit OpenRouter

Portkey

portkey.ai

AI gateway and production stack for teams shipping generative AI apps, with an open-source gateway.

Open sourceNew
Visit Portkey
OpenRouter compared with Portkey
OpenRouterPortkey
What it doesOne API for many models from many providers, with model and price comparison.AI gateway and production stack for teams shipping generative AI apps, with an open-source gateway.
In their wordsOpenRouter: the unified interface for every modelPortkey: production stack for Gen AI builders
Open sourceNoYes
Websiteopenrouter.aiportkey.ai
Link checked2026-10-232026-10-23

More options:Alternatives to OpenRouterAlternatives to Portkey

Keep comparing

Related comparisons

See all model gateways tools

The weekly drop

New agent tools, every Friday. One short email with what was added and what changed. No spam.

One email a week. Your address is only used for this newsletter.