Top 5 LLM Gateways in 2026: A Deep-Dive Comparison for Production Teams
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LLM gateways provide unified API access to multiple AI providers with automatic fallbacks, cost optimization, and reliability improvements. Five production-ready options are compared: Bifrost excels in performance with 11 microsecond latency overhead at high scale; LiteLLM offers broad provider coverage (100+) but struggles above 500 RPS; Portkey provides enterprise governance and observability with 20-40ms overhead; Kong integrates AI routing into existing API infrastructure; and Helicone delivers Rust-based performance with flexible deployment. Selection depends on traffic volume, compliance needs, existing infrastructure, and performance requirements.
Table of contents
Why Production Teams Need LLM Gateways1. Bifrost (by Maxim AI)2. LiteLLM3. Portkey4. Kong AI Gateway5. Helicone AI GatewayHow to ChooseQuestions?Sort: