The latest addition is the Phi-4 Reasoning — a 14 billion-parameter model built by applying a supervised fine-tuning (SFT) algorithm to the Phi-4 base model. The researchers also derived the Phi-4 ...

Many top language models now err on the side of caution, refusing harmless prompts that merely sound risky – an ‘over-refusal' behavior that affects their usefulness in real-world scenarios. A new ...