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Open Source Kong AI Gateway Alternatives

A curated collection of the 4 best open source alternatives to Kong AI Gateway.

The best open source alternative to Kong AI Gateway is Portkey AI Gateway. If that does not suit you, we have compiled a ranked list of other open source Kong AI Gateway alternatives to help you find a suitable replacement.

Kong AI Gateway alternatives are mainly AI Gateways. Browse these if you want a narrower list of alternatives or are looking for a specific functionality of Kong AI Gateway.

Written by OpenAlternative Last updated: June 2, 2026
#2

Bifrost

Open-source AI gateway delivering 50x faster performance than alternatives. Access 1000+ models from 8+ providers with built-in governance, fallback,

Open-source AI gateway delivering 50x faster performance than alternatives...

#3

Envoy AI Gateway

Open source gateway built on Envoy for routing application traffic to GenAI services. Supports 16+ LLM providers including OpenAI, Anthropic, AWS Bedr

Open source gateway built on Envoy for routing application traffic to GenA...

#4

LLM Gateway

Route, manage, and analyze LLM requests across multiple providers with one API. Compatible with OpenAI format, includes usage analytics and performanc

Route, manage, and analyze LLM requests across multiple providers with one...