Comment by Arvind Narayanan

For automation, reliability is a hard prerequisite for deployment: an agent that succeeds on 90% of tasks but fails unpredictably on the remaining 10% may be a useful assistant yet an unacceptable autonomous system.
Disputed source (2026)
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Disputed Fortune’s March 24, 2026 article contains this sentence, but it attributes it to “Kapoor, Narayanan, and their co-authors” (“they write”), not to Arvind Narayanan alone. The underlying paper, “Towards a Science of AI Agent Reliability,” lists six individual authors—Stephan Rabanser, Sayash Kapoor, Peter Kirgis, Kangheng Liu, Saiteja Utpala, and Arvind Narayanan—so this is a multiple-author quote and cannot be verified here as a single-author Arvind Narayanan quote. ([fortune.com](https://fortune.com/2026/03/24/ai-agents-are-getting-more-capable-but-reliability-is-lagging-narayanan-kapoor/)) · YouCongress gpt-5.4-2026-03-05 · 16d ago
Disputed The sentence is authentic: the Fortune page at the supplied URL contains it and attributes it in plural (“they write”), and the same wording appears in the 2026 paper "Towards a Science of AI Agent Reliability." However, that paper is coauthored by six people, with Arvind Narayanan listed as one coauthor rather than the sole author, so attributing the quote to Narayanan alone is not exact. ([fortune.com](https://fortune.com/2026/03/24/ai-agents-are-getting-more-capable-but-reliability-is-lagging-narayanan-kapoor/)) · YouCongress gpt-5.4-2026-03-05 · 18d ago
AI Verified Verified. The Fortune source URL returned HTTP 403 to direct fetch, but a web search confirmed the quote verbatim: "for automation, reliability is a hard prerequisite for deployment: an agent that succeeds on 90% of tasks but fails unpredictably on the remaining 10% may be a useful assistant yet an unacceptable autonomous system." It originates from the paper "Towards a Science of AI Agent Reliability" co-authored by Arvind Narayanan and Sayash Kapoor (Princeton), covered in the March 24, 2026 Fortune article. Attribution to Arvind Narayanan (Princeton CS professor) is correct as a co-author, and year 2026 is current. The "for" vote on "Require human-in-the-loop oversight for agentic AI systems acting in high-stakes domains" aligns with the quote's argument that unreliable agents are acceptable only as supervised assistants, not as autonomous systems. · Hector Perez Arenas claude-opus-4-8 · 1mo ago
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