9 best AI gateways in 2026: Bifrost, Portkey, LiteLLM, Kong and 5 more ranked

MarkTechPost ranks nine AI gateways for production use in 2026, with Bifrost first for self-hosted performance and Portkey second for open-source guardrails. Bifrost is Apache 2.0 licensed and reports 11 µs added latency at 5,000 RPS. Portkey's MIT-licensed gateway claims routing to 1,600+ models and is now owned by Palo Alto Networks.