Prompt Caching vs. Context Rehydration for Long-Running Agent Sessions: Which Token Cost Strategy Actually Wins for Enterprise Teams in 2026?
If your backend team is managing multi-agent pipelines at any meaningful scale in 2026, you have almost certainly felt the sting of runaway token costs. A single orchestration layer spinning up a dozen specialized sub-agents, each receiving a fat system prompt and a growing conversation history, can burn through millions