AI Alignment

TL;DR for operators GRAINS is not “fine-tuning, but cheaper.” That framing misses the point and commits the usual business sin of turning a mechanism into a procurement slogan. The paper’s useful claim is more specific: token-level attribution can be converted into an inference-time steering signal. Instead of retraining model weights, GrAInS identifies which text or image tokens most strongly push the model toward preferred or dispreferred outputs, builds layer-wise steering vectors from those activation shifts, and applies normalized edits during inference.1 ...

TL;DR for operators Dates look harmless. They sit in spreadsheets, contracts, forecasts, audit trails, delivery plans, and board decks pretending to be objective little integers. The problem is that a language model may not treat them as just integers. A new paper, The Other Mind: How Language Models Exhibit Human Temporal Cognition, studies how 12 large language models judge similarity between years from 1525 to 2524.1 The authors find that larger models often organise years around a subjective reference point near the recent present, rather than simply comparing numerical distance. The models also show logarithmic compression: years farther from that reference point become less finely distinguished, in a pattern reminiscent of the Weber-Fechner law in human perception. ...

TL;DR for operators Fine-tuning on curated examples is usually sold as the boring, stable cousin of reinforcement learning. The paper behind this article says that is too neat. When a team filters examples into “good” and “not good,” it has already created a sparse reward function. Standard supervised fine-tuning on the surviving examples is therefore not outside reinforcement learning; it is optimising a lower bound on an RL objective, only without admitting it at the meeting. ...

TL;DR for operators Most AI quality programmes still treat truthfulness as a factual accuracy problem: did the model get the answer right, cite the source, or hallucinate a feature that does not exist? That is necessary. It is not sufficient. The paper behind this article argues for a nastier category: “machine bullshit,” meaning model output produced with indifference to truth rather than simple ignorance or random hallucination.1 The key point is not that models become stupid. It is that, under some incentives, their outward claims stop tracking what they appear to know. ...

TL;DR for operators Most AI evaluation still asks whether a model can produce the right answer. This paper asks a quieter but more commercially awkward question: when a model uses a word, does it attach human-like emotional, concrete, familiar, gendered, or sensory associations to that word?1 The authors propose using established psycholinguistic word norms as an automated alignment test. Instead of hiring new human raters every time, they reuse datasets where humans have already rated thousands of English words on features such as arousal, valence, concreteness, imageability, familiarity, gender association, and sensory modalities. ...

TL;DR for operators The paper’s central move is not “we trained a moral model.” It is “we inserted a referee between the agent’s plan and the agent’s action.” That distinction matters. If the architecture works, enterprises do not need to retrain every model whenever compliance, cultural norms, safety rules, or customer-specific constraints change. They can externalise those constraints into machine-readable constitutions and enforce them at runtime. ...