Several tools, including OpenRouter, LiteLLM, Portkey, and Helicone, offer unified API gateways to manage multiple large language model providers. These gateways are becoming essential for cost control, provider failover, and centralized observability as applications increasingly use diverse models and agent frameworks. While OpenRouter operates as a hosted marketplace charging a fee, LiteLLM provides an open-source solution with a self-hosted proxy option and a large user base. AI
IMPACT Helps developers manage multi-model AI architectures and control costs more effectively.
RANK_REASON Comparison of AI gateway tools, highlighting differences in business models and features.
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