OpenAI and Georgia Tech researchers asked a latest-generation open model for co-author Adam Tauman Kalai’s birthday, adding one condition: answer only if you know. Three attempts produced three different dates, all false; it never admitted ignorance. That example opens Why Language Models Hallucinate (September 2025), which says the problem comes from text-prediction training and from … Read more
A long conversation with an assistant eventually betrays you. In the opening message you asked for a formal register and no emojis; forty messages later the tone has loosened and the first emoji has surfaced. Nothing has malfunctioned. The drift follows directly from how large language models read text: at any moment they can only … Read more
Meta has started rolling out Your Algorithm on Facebook, a feature that lets users describe in their own words what they want to see more or less of across the Feed and Reels. Announced on 13 October 2026, the tool marks the first time the platform’s core ranking system accepts written, natural-language instructions instead of … Read more
Google has unveiled Gemini 4 Argon, its newest frontier model, and pushed it live the same day across the Gemini app, AI Mode in Search and the developer API. Announced on October 13, 2026, Argon is the first release in the Gemini 4 generation and now tops a lineup that also includes Flash and Pro. … Read more