AI Gateway

Compare the top Envoy AI Gateway alternatives built for purpose-built LLM routing. Bifrost is the best choice for enterprises running mission-critical AI workloads that require best-in-class performance, scalability, and reliability. Rate limit errors accounted for roughly 60% of all LLM call failures observed in February 2026,

A guide to choosing an AI gateway for Claude Code: six evaluation criteria, per-developer budgets, the configuration, and the defaults Claude Code changes when ANTHROPIC_BASE_URL points at a gateway.

What is an AI gateway? It is the layer between your applications and every LLM provider they call, exposing one API while applying routing, failover, budgets, and observability. This guide covers the five stages of a request, when a gateway pays for itself, and what changes at enterprise scale.

An AI gateway is the control point that decides which provider, model, and API key serve each LLM request. This guide compares Bifrost, Kong AI Gateway, LiteLLM, Cloudflare AI Gateway, and Azure API Management on routing rules, load balancing, fallbacks, and governance of routes.

Deployment model decides most LLM gateway choices before features do. This guide compares Bifrost, Cloudflare, Kong, LiteLLM, and OpenRouter on deployment, published overhead, governance depth, and whether they govern agent tool calls.

An AI gateway manages Codex CLI token spend by enforcing budgets, caching repeated requests, and logging cost for every call. This guide covers how to check Codex CLI token usage, Bifrost's budget hierarchy, cost-aware routing, and the correct config.toml setup.