Open-Source Agent Tested: Cloud Planning Plus Local Coding Cuts Cost 2.7x but Runs 9x Slower

Tests on the same task compare three agent architectures: the open-source Atomic Agent's cloud planning plus local coding cuts cost 2.7x and saves 7x output tokens, but runs 9x longer with a big drop in cache hit rate. Full data and architecture details were published.

2026-09-29 ~ 2026-09-29 · 2 related posts

• Cloud Planner + Local Worker: 7x Fewer Output Tokens but a Hidden Cache Hit-Rate Cost — GapNew4766 · 2026-09-29
• Cloud Planner + Local Coder: 2.7x Cheaper but 9x Slower in a Real Agent Build — GapNew4766 · 2026-09-29