Few-Shot Stopped Paying on GPT-4o. Qwen Still Wants It.
An ICSME 2026 replication across three matched model version pairs shows prompt technique effectiveness ages per model family, not uniformly. The playbook: add a stripped zero-shot control arm, re-evaluate every technique on each version bump, and put that checklist on the upgrade ticket.
August 26, 2026 · 13 min read