Llms

Opening — Why this matters now Multimodal models are getting better at seeing, but not necessarily at understanding. They describe images fluently, answer visual questions confidently—and yet still contradict themselves when asked to reason across perception and language. The gap isn’t capability. It’s coherence. The paper behind this article targets a subtle but costly problem in modern AI systems: models that generate answers they cannot later justify—or even agree with. In real-world deployments, that gap shows up as unreliable assistants, brittle agents, and automation that looks smart until it’s asked why. ...

Opening — Why this matters now For decades, modeling and simulation lived in a world of equations, agents, and carefully bounded assumptions. Then large language models arrived—verbose, confident, and oddly persuasive. At first, they looked like narrators: useful for documentation, maybe scenario description, but not serious modeling. The paper behind this article argues that this view is already outdated. ...

Opening — Why this matters now Multi-agent LLM systems are having their moment. From coding copilots to autonomous research teams, the industry has embraced the idea that many models thinking together outperform a single, monolithic brain. Yet most agent frameworks still suffer from a familiar corporate disease: everyone talks to everyone, all the time. ...

Opening — Why this matters now Inference-time reasoning has quietly become the dominant performance lever for frontier language models. When benchmarks get hard, we don’t retrain—we let models think longer. More tokens, more scratchpad, more compute. The industry narrative is simple: reasoning scales, so accuracy scales. This paper asks an uncomfortable question: how long must a model think, at minimum, as problems grow? And the answer, grounded in theory rather than vibes, is not encouraging. ...

Opening — Why this matters now Benchmarks were supposed to be neutral referees. Instead, they’ve become unreliable narrators. Over the past two years, the gap between benchmark leadership and real-world usefulness has widened into something awkwardly visible. Models that dominate leaderboards frequently underperform in deployment. Smaller, specialized models sometimes beat generalist giants where it actually counts. Yet our evaluation rituals barely changed. ...

Opening — Why this matters now Enterprises love to say they are “data‑driven.” In practice, they are database‑fragmented. A single natural‑language question — How many customers in California? — may be answerable by five internal databases, all structurally different, semantically overlapping, and owned by different teams. Routing that question to the right database is no longer a UX problem. It is an architectural one. ...

Opening — Why this matters now Large language models are getting better at everything — or at least that’s what the leaderboards suggest. Yet beneath the glossy scores lies a quiet distortion: many benchmarks are no longer measuring learning, but recall. The paper you’ve just uploaded dissects this issue with surgical precision, showing how memorization creeps into evaluation pipelines and quietly inflates our confidence in model capability. ...

Opening — Why this matters now Large language models are quietly moving from clerical assistance to clinical suggestion. In emergency departments (EDs), where seconds matter and triage decisions shape outcomes, LLM-based decision support tools are increasingly tempting: fast, consistent, and seemingly neutral. Yet neutrality in language does not guarantee neutrality in judgment. This paper interrogates a subtle but consequential failure mode: latent bias introduced through proxy variables. Not overt racism. Not explicit socioeconomic labeling. Instead, ordinary contextual cues—how a patient arrives, where they live, how often they visit the ED—nudging model outputs in clinically unjustified ways. ...

Opening — Why this matters now Neural theorem proving has entered its industrial phase. With reinforcement learning pipelines, synthetic data factories, and search budgets that would make a chess engine blush, models like DeepSeek‑Prover‑V1.5 are widely assumed to have internalized everything there is to know about formal proof structure. This paper politely disagrees. Under tight inference budgets—no massive tree search, no thousand-sample hail‑Mary—the author shows that simple, almost embarrassingly old‑fashioned structural hints still deliver large gains. Not new models. Not more data. Just better scaffolding. ...

Opening — Why this matters now Large language models are getting better at everything—writing, coding, reasoning, and politely apologizing when they hallucinate. Yet beneath these broad performance gains lies a quieter, more structural issue: memorization does not happen evenly. Some parts of the training data exert disproportionate influence, acting as gravitational wells that trap model capacity. These are what the paper terms memorization sinks. ...