AI systems
Multi-model is the new multi-rail
Every payment system routes across multiple rails - ACH fails, traffic moves to wire, and wire is dear for small amounts so you route to RTP. Most AI systems still call one model and hope it stays up. The LLM gateway is the same routing engine payments has run for decades, and it needs the same three things to count.
Lead essay
Start here when you want the current Doric argument instead of a chronological archive.
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