Smart Era Software Development

Jul 29, 2026 · Artificial Intelligence

Why Your AI Stays a Demo with the Same Large Model – 427 GitHub Projects Expose the Hidden Harness Engineering

The article explains why AI projects that use the same large model often fail to move beyond flashy demos, attributing the gap to a missing "Harness Engineering" layer, and outlines concrete data, fatal production pitfalls, six engineering pillars, a 427‑project GitHub survey, and a step‑by‑step adoption guide.