Swapnoneel Saha

An agent gateway governs the model calls, MCP tool calls, and agent-to-agent calls that AI agents make. This guide ranks eight, including Bifrost, Kong AI Gateway, Amazon Bedrock AgentCore Gateway, and Google Cloud Agent Gateway, on coverage, identity, and deployment.

An AI gateway gives applications one API for many model providers, with routing, failover, caching, and spend controls. This guide ranks the 9 best AI gateways, including Bifrost, LiteLLM, Kong AI Gateway, Cloudflare AI Gateway, and Vercel AI Gateway.

The best LLM gateways give applications one API for many model providers, with failover, caching, budgets, and logs. This guide compares Bifrost, Kong AI Gateway, Cloudflare AI Gateway, OpenRouter, Azure API Management, and four more on deployment and governance.

An AWS AI gateway is the layer inside your AWS account that every model call passes through on its way to Bedrock or another provider. This guide compares Bifrost, Amazon Bedrock AgentCore Gateway, Kong AI Gateway, and Envoy AI Gateway on deployment, IAM, governance, and cost.

An A2A gateway governs agent-to-agent traffic: it serves agent cards, authorizes callers per agent, and logs every task. This guide compares Bifrost, Kong AI Gateway, Gravitee, MuleSoft Agent Fabric, Google Cloud Agent Gateway, and Amazon Bedrock AgentCore Gateway for multi-agent systems.

A LangChain LLM gateway routes LangChain and LangGraph model calls through one governed endpoint for keys, budgets, fallbacks, and logs. This guide compares Bifrost, LangSmith LLM Gateway, Kong AI Gateway, and OpenRouter on integration, deployment, and MCP and A2A coverage.