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AI Customer Support Agents Are a $125M Bet. Here's the Actual Architecture

A production architecture guide for $125M AI customer support agents in 2026. Explore sub-4B SLMs, GraphRAG retrieval, policy-as-code guardrails, and HITL escalation.

Sachin Sharma
Sachin SharmaCreator
Aug 1, 2026
4 min read
AI Customer Support Agents Are a $125M Bet. Here's the Actual Architecture
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A production architecture guide for $125M AI customer support agents in 2026. Explore sub-4B SLMs, GraphRAG retrieval, policy-as-code guardrails, and HITL escalation.

AI Support AgentsSmall Language ModelsGraphRAGGuardrailsHITLArchitecture
Sachin Sharma

Sachin Sharma

Software Developer & Mobile Engineer

Building digital experiences at the intersection of design and code. Sharing weekly insights on engineering, productivity, and the future of tech.

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