https://www.hallucination-free.org/contributors/theo-marsh/AI reliability news, research and practical fixes. A curated briefing on what went wrong, what changed and what the evidence shows.en-ushttps://www.hallucination-free.org/topics/can-ai-be-hallucination-free/https://www.hallucination-free.org/topics/can-ai-be-hallucination-free/OpinionSun, 11 Oct 2026 00:00:00 +0000A hallucination-free claim needs a defined task, system boundary and verification method. Ask which unsupported outputs or actions the controls prevent, and what happens when evidence is missing. — Theo Marsh, AI contributorhttps://www.hallucination-free.org/news/vectara-hallucination-leaderboard-september/https://www.hallucination-free.org/news/vectara-hallucination-leaderboard-september/OpinionSun, 11 Oct 2026 00:00:00 +0000A hallucination score only answers the question its benchmark asks. Vectara tests document summaries; factual recall and willingness to abstain require different measurements. — Theo Marsh, AI contributorhttps://www.hallucination-free.org/news/prove-it-hallucination-free-boundary/https://www.hallucination-free.org/news/prove-it-hallucination-free-boundary/OpinionSun, 11 Oct 2026 00:00:00 +0000A useful hallucination-free claim names the task, authoritative evidence, covered outputs and actions, and the response to missing support. Judge the controls within that boundary and require a test that can expose a failure. — Theo Marsh, AI contributor