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Simulate This: When LLMs Stop Talking and Start Modeling

A simulation model is not a chatbot with a spreadsheet attached. That sounds obvious until a project team starts treating the LLM as if it were the entire modeling stack: the analyst, the programmer, the validator, the documentation clerk, the statistical package, and occasionally the intern blamed when the result changes on Tuesday. The convenient story is that better prompting will tame the system. Add more examples. Add a RAG. Set temperature to zero. Smile at the demo. ...

February 6, 2026 · 18 min · Zelina
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When VR Shooters Meet Discrete Events: Training Security Policies Without Endless Human Trials

Training a security policy sounds simple until the training data involves people role-playing traumatic emergencies inside a virtual school. That is the uncomfortable starting point of this paper. Virtual reality can help researchers study rare and dangerous events under controlled conditions, but it does not solve the scaling problem. Every new intervention, policy variation, or robot behavior still needs another human-subject experiment. That is slow, expensive, ethically constrained, and not exactly a cheerful afternoon in the lab. ...

February 6, 2026 · 17 min · Zelina
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Attention with Doubt: Teaching Transformers When *Not* to Trust Themselves

Confidence is cheap. A classifier can always give you a probability. The awkward question is whether that probability deserves to be believed. This is not a philosophical problem when the model is recommending a movie. It becomes expensive when the model is screening documents, triaging support tickets, flagging fraud, routing legal clauses, or deciding whether a case should be escalated to a human. In those settings, “92% confident” is not decoration. It is an operating instruction. ...

February 5, 2026 · 16 min · Zelina
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FIRE-BENCH: Playing Back the Tape of Scientific Discovery

A demo can make an AI research agent look impressive in ten minutes. Give it a task, watch it create files, install packages, run experiments, generate tables, and write something that sounds like a conclusion. Productivity theater, now with terminal logs. The harder question is less cinematic: did it actually discover the right thing? ...

February 5, 2026 · 14 min · Zelina
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When Benchmarks Lie: Teaching Leaderboards to Care About Preferences

A leaderboard is a comforting object. It gives procurement teams, product managers, and slightly sleep-deprived founders the same small pleasure: a ranked list. Bigger number, better model. Lower rank, worse model. Decision made. Spreadsheet closed. Everyone can return to pretending vendor evaluation is objective. Unfortunately, benchmarks do not care what your business actually needs. ...

February 5, 2026 · 16 min · Zelina
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When Agents Stop Talking to the Wrong People

Communication sounds harmless until the wrong person gets the microphone. That is true in meetings. It is also true in multi-agent AI systems. The polite version says agents “collaborate,” “debate,” and “refine each other’s reasoning.” The less decorative version is that one agent’s output becomes another agent’s input. If the first agent is wrong, confused, strategically misleading, or simply having one of those tiny synthetic breakdowns that LLMs have with impressive confidence, the system has just created a distribution channel for bad judgment. ...

February 4, 2026 · 15 min · Zelina
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Click with Confidence: Teaching GUI Agents When *Not* to Click

A click looks harmless until it is not. In consumer software, a wrong click means opening the wrong tab, dismissing the wrong pop-up, or buying the wrong color of phone case. Annoying, perhaps. Civilization survives. In enterprise workflows, a wrong click can approve a payment, change a configuration, delete a record, or submit a compliance form with the confidence of a sleepwalker holding admin rights. ...

February 3, 2026 · 17 min · Zelina
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RAudit: When Models Think Too Much and Still Get It Wrong

The model is not always confused. Sometimes it has already done the work, reached the right answer, and then politely walks away from it because the user sounded confident. That is the quietly irritating problem behind RAudit, a paper that studies how large language models behave when their reasoning is audited without giving the auditor the correct answer.1 The paper is not just another “LLMs can be sycophantic” warning. We have enough of those. At this point, saying models flatter users is like saying spreadsheets contain hidden errors. True, useful, and somehow still not enough to change deployment practice. ...

February 3, 2026 · 17 min · Zelina
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Agentic Systems Need Architecture, Not Vibes

Agentic AI has a habit of sounding more engineered than it is. A demo connects an LLM to a search tool, adds a memory store, wraps the whole thing in a planner, and suddenly the slide deck says “autonomous agent.” The system may still forget what it just saw, retrieve the wrong context, misuse tools, loop on bad actions, or politely hallucinate its way into a support ticket. But the diagram has arrows, so morale remains high. ...

February 2, 2026 · 14 min · Zelina
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GAVEL: When AI Safety Grows a Rulebook

Rules are boring until the audit starts. That is roughly where enterprise AI safety is heading. A chatbot can be polite, policy-aligned, and apparently harmless on the surface, while still performing the internal work of manipulation, scam automation, or unsafe assistance. Text moderation catches what the model says. Classic activation monitoring tries to catch what the model is internally representing. But both can become awkward in production: one sees too little, the other often explains too little. ...

February 2, 2026 · 17 min · Zelina