November 17, 2025

Phi-4 proves that a 'data-first' SFT methodology is the new differentiator

2 men in blue and orange jacket wearing helmet
ThisisEngineering / Unsplash

AI engineers often chase performance by scaling up LLM parameters and data, but the trend toward smaller, more efficient, and better-focused models has accelerated. The Phi-4 fine-tuning methodology is the cleanest public example of a training approa...