WSO2 AI Gateway vs YoloRouter

WSO2 AI Gateway governs AI APIs and generative AI services with usage visibility, guardrails, prompt management, and semantic caching. Its out-of-the-box language-model support includes OpenAI, Mistral AI, and Azure OpenAI. Built-in controls check prompts semantically, mask PII, validate JSON Schema and regex rules, limit output length, and check URLs; Azure Content Safety and AWS Bedrock Guardrails are listed as external integrations. The gateway monitors backend limits by request and token count and manages subscription access. Prompt templates can standardize inputs and add role or context instructions. Model-level analytics and semantic caching are intended to help reduce repeated calls and improve response speed and cost efficiency. WSO2 also describes converting REST APIs into MCP-compatible tools and governing access to MCP servers. Moesif-powered analytics tracks AI and agent traffic. Deployment can be on-premises or in the cloud. The SaaS-only 30-day trial costs nothing and includes 1M AI Gateway events, five managed LLM APIs, and one hybrid gateway. Growth costs $119 a month; Enterprise pricing is custom.

YoloRouter is a gateway that sends AI model requests to multiple providers through a compatible API. It accepts OpenAI Chat Completions and Responses, Anthropic Messages, and Gemini generateContent protocols, and translates between supported formats when the client and provider use different ones. Routing includes ordered provider candidates, failover, and pooling of upstream keys; the documentation lists access to providers including OpenAI and Anthropic through one endpoint. Streaming uses Server-Sent Events with usage tracking. Alongside chat, the gateway exposes OpenAI Images and Videos APIs, with billing based on delivered images or video seconds. It can compress bulky tool output before forwarding it upstream and report measured savings. API keys can have model allowlists, rate and concurrency limits, budget caps, expiry, and revocation. The admin console supports multiple users, single sign-on, usage visibility, and account controls. Self-hosted deployment is a single binary with an embedded console, SQLite by default, or optional PostgreSQL. The self-hosted plan is free. Cloud billing uses top-up credits, with no subscription or minimum spend.