Eight AI Gateways Compared: Features, Pricing, and Self-Hosting Options
A technical evaluation published on DEV Community reviewed eight AI gateway platforms across criteria including provider coverage, pricing transparency, self-hosting capability, and observability tools. AI gateways serve as intermediaries that route requests to large language model providers, helping developers manage multiple API keys, control costs, and handle provider outages from a single endpoint. LLM Gateway was rated best overall for being fully open-source, supporting 200-plus models across 40-plus providers, and charging no markup when users bring their own API keys. OpenRouter was highlighted for its large community-driven model catalog but noted for its 5.5 percent credit-purchase fee and lack of self-hosting support. Portkey was identified as enterprise-focused with strong observability and compliance features, though it was acquired by Palo Alto Networks in May 2026, which may influence vendor-independence considerations.
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