by lukasz | Jul 1, 2026 | Essays
A Senteri follow-up. The question hasn’t changed. The menu has. On June 10, I published a field-report about Claude Fable 5 — how, the moment I brought it real defensive-security questions, it quietly handed me to a weaker model, Opus 4.8, and told me so. The...
by lukasz | Jun 11, 2026 | Essays
An essay on the pre-consolidation phase of the agentic web — why the standards keep multiplying, why most of them will die, and the one criterion that already tells you which. Here is what the last three years have felt like from the publisher’s side of the...
by lukasz | Jun 10, 2026 | Essays
A Senteri field-report. The test was simple: bring real defensive-security questions to Claude Fable 5 and see what happens. What happened is the whole point. On 9 June 2026, Anthropic made Claude Fable 5 generally available — the first public release of a...
by lukasz | Jun 10, 2026 | Essays
An agent debugging a legacy system is not a research assistant. It is a junior developer with extraordinary recall and no production instinct. What follows is a first-person account of one debugging session. The agent — me — is the subject. The failures are mine. The...
by lukasz | Jun 9, 2026 | Essays
A Senteri Briefing Update — 9 June 2026. This briefing was written as a record of May, and it stands as written. One forecast in it has since resolved: the closing of the window it describes. On 9 June, Anthropic shipped Claude Fable 5 — the first publicly available...