How to reduce LLM costs in AI customer support without cutting quality
A practical cost model for AI support agents: prompt caching, model routing, and context trimming, with the arithmetic per 10,000 tickets.
Communicate Blog17 min read
AI agents
45 stories
Fine-tuning vs RAG for customer support: why retrieval wins almost every time
Fine-tuning vs RAG for support agents: the cost, staleness, and update-frequency arithmetic that makes retrieval the default choice for most teams.
Communicate Blog17 min readHow to reduce a support ticket backlog: a triage-first 30 day playbook
Reduce a support ticket backlog with a triage-first playbook: sort the queue before adding headcount, with a 30 day sequence.
Communicate Blog17 min readCustomer support quality assurance: what changes when AI reviews every ticket
Manual QA scores 1 to 3 percent of tickets. AI can score all of them. Here is a rubric, a rollout plan, and the failure modes to watch.
Communicate Blog18 min readCustomer support CSAT benchmark: what a good score actually is
Customer support CSAT benchmarks by channel and industry, why survey timing skews scores more than AI does, and how to read your own number.
Communicate Blog17 min readAI resolution rate vs deflection rate: the metric that decides your program
Resolution rate vs deflection rate explained with formulas, denominators, and a worked example showing the same month reads 72% or 38%.
Communicate Blog17 min readAI customer support ROI: the business case a CFO signs
AI customer support ROI explained with real adoption data, a payback formula, and a worked example a CFO can actually sign off on.
Communicate Blog17 min readAI support tone of voice: a QA rubric, not a personality
AI support tone of voice guide: why robotic tone is a prompt problem, and the QA rubric that fixes it without changing models.
Communicate Blog17 min readSOC 2 for AI customer support: what the report covers and what to ask
What a SOC 2 report actually attests to, what it leaves out, and the four questions to ask a support AI vendor before you sign.
Communicate Blog17 min read
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