OpenAI Models Criticized for Overfitting to Native Harness

pvncher and Teknium argue GPT models are overly tied to their native harness, degrading on other agent frameworks. Teknium suggests training across multiple harnesses and questions AGI claims for single-workflow models.

2026-09-07 ~ 2026-09-07 · 3 related posts

• OpenAI models increasingly hard to separate from native harness, devs debate — pvncher · 2026-09-07
• Teknium: Train on Multiple Harnesses to Keep Models Portable Across Evals — Teknium · 2026-09-07
• Teknium: models that train on only one harness can't be 'near AGI' — Teknium · 2026-09-07