Your Agentic Workflow's Cache Keepalive Costs 8x Too Much (v2: the interval frontier)
Summary
A data-driven blog post analyzing cache keepalive economics for LLM agent workloads across Anthropic, OpenAI, Gemini, and DeepSeek. It challenges the common 30-second ping convention, defines a per-provider interval frontier, and provides actionable guidance on when keepalives save money versus simply adding latency.