Cloud-Planning Plus Local-Execution Cuts Costs 2.7x but Takes 9x Longer

Benchmarks of cloud-planning-plus-local-execution agent setups show 2.7x cost savings and 7x fewer output tokens, but 9x longer runtimes, reduced quality, and a sharp drop in cache hit rates.

2026-09-29 ~ 2026-09-29 · 3 related posts

• Sonnet orchestrating local Qwen 3.8 27B cuts costs 2.7x but drops quality from 4/5 to 2/5 — GapNew4766 · 2026-09-29
• 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