Cover image

Expert Witness: How MoE Translation Models Can Lose Weight Without Losing the Plot

A mechanism-first reading of how routing statistics can turn a general-purpose MoE LLM into a smaller translation specialist, and where the compression claim stops short of cheaper inference.

June 4, 2026 · 17 min · Zelina
Cover image

Filter Bubble Bursts: When Common Crawl Beats Clean Data

A business-focused reading of why data filtering may be a compute-dependent strategy rather than a universal pretraining rule.

June 4, 2026 · 14 min · Zelina
Cover image

Memory Lane Has Potholes: MemFail and the Business of Testing Agent Recall

MemFail shows why persistent AI-agent memory should be evaluated by failure mode, not by vague recall accuracy or larger context windows.

June 4, 2026 · 15 min · Zelina
Cover image

Rank and File: AI Leaderboards Are Measurement Instruments, Not Scoreboards

A mechanism-first reading of AI Cartography, showing why raw LLM leaderboard ranks need latent-structure, ecosystem-noise, and scaling-law diagnostics before they become business evidence.

June 4, 2026 · 18 min · Zelina
Cover image

Uncertain Terms: Hallucination Scores Are Triage Signals, Not Lie Detectors

A business-focused reading of why uncertainty estimators can help detect LLM hallucinations only after task-specific validation.

June 4, 2026 · 18 min · Zelina
Cover image

Cache Me If You Can: Why LLM Benchmarks Need Contamination-Resistant Data

A mechanism-first reading of contamination-resistant benchmark datasets: why protected latent inputs could make LLM evaluation harder to memorize, easier to govern, and still difficult to operationalize.

June 3, 2026 · 20 min · Zelina
Cover image

Clue by Clue: ProjectionBench and the Business of Testing AI Discovery

ProjectionBench turns AI scientific discovery from a vague ambition into a measurable context-sensitivity test.

June 3, 2026 · 16 min · Zelina
Cover image

Compile Once, Train Later: Offline RL Moves Code-Model Verification Upstream

A mechanism-first reading of how offline reinforcement learning can post-train code models by turning pre-verified code datasets into cheaper, harder-task learning signals.

June 3, 2026 · 14 min · Zelina
Cover image

Peer Pressure: AI Reviewers Pass the Item Test, Not the Replacement Test

A business-oriented reading of why AI peer reviewers look strongest when judged item by item, but weakest when treated as a replacement panel.

June 3, 2026 · 17 min · Zelina
Cover image

Preference Signals, Not Preference Theater

A practical reading of two arXiv papers on why preference alignment depends less on having more behavior data and more on whether the supervision signal actually reveals what people prefer.

June 3, 2026 · 15 min · Zelina