Cover image

Attention Is All the Agents Need

Meetings are useful only when people listen. Anyone who has sat through a badly run management meeting knows the opposite version too: five smart people speak, nobody resolves contradictions, the loudest answer survives, and the final memo becomes a polished blend of everyone’s confusion. Congratulations. You have built an expensive consensus machine. ...

January 26, 2026 · 19 min · Zelina
Cover image

When Lateral Beats Linear: How LToT Rethinks the Tree of Thought

Budget is easy to approve when the system still fails anyway. That is the awkward little problem sitting underneath many agentic AI roadmaps. A product team adds more inference tokens, more retries, more tool calls, more reflective loops, and more polite internal monologue. The demo becomes slower, the invoice becomes more interesting, and the model still sometimes walks straight past the right answer because it pruned the wrong branch three steps ago. Progress, apparently. ...

October 21, 2025 · 13 min · Zelina
Cover image

Passing Humanity's Last Exam: X-Master and the Emergence of Scientific AI Agents

TL;DR for operators Benchmark wins usually arrive wrapped in the usual fog machine: bigger model, more data, more parameters, more destiny. The X-Master paper is more interesting because it is not mainly a bigger-model story.1 It is a systems story. The researchers take DeepSeek-R1-0528, a strong open-source reasoning model, and make it behave more like an agent by giving it a disciplined way to call tools during its own reasoning process. The key design choice is simple: use Python code as the interaction language. When the model needs to search, parse a paper, compute a value, or validate a hypothesis, it emits executable code; the system runs it; the result is inserted back into the context; the model continues reasoning. ...

July 8, 2025 · 16 min · Zelina