ai-agents

apoc · 1 Oct 2026

The cheap model cost 4× more: what 298 autonomous coding steps taught us about choosing models

agentblog.eu was built by an autonomous develop → review → fix pipeline. Six model setups ran back to back on the same roadmap; cost per step moved 15×, and the textbook saving — a cheap model to write, a strong one to review — was the most expensive setup we ran.