# AI Scientist-v2 Submits First Peer-Reviewed Paper Exceeding Human Threshold

> An AI system has, for the first time, produced a research paper that cleared peer review. AI Scientist-v2 autonomously generated three papers and submitted them to an ICLR workshop, and one scored above the average acceptance threshold for human-written submissions, meaning reviewers judged it worthy on its merits without knowing a machine wrote it. The system works end to end using agentic tree search: it forms hypotheses, runs experiments, analyzes results, and writes them up with little human steering. That makes it a proof of concept for genuinely automated scientific discovery, not just AI as a writing aid. The caveats matter. This was a workshop, a lower bar than a top conference, and one paper out of three is hardly a flood. Still, it arrives as OpenAI signals plans for an intern-level research assistant by September 2026 and PhD-level work by 2028. Even a single peer-reviewed pass moves the debate about AI-authored science from hypothetical to something reviewers now have to reckon with.

_Section: [Daily AI Updates](https://www.wortins.com/daily-ai) · Source: arXiv · Published Thursday, September 3, 2026_

## Wortins' read

An AI system has, for the first time, produced a research paper that cleared peer review. AI Scientist-v2 autonomously generated three papers and submitted them to an ICLR workshop, and one scored above the average acceptance threshold for human-written submissions, meaning reviewers judged it worthy on its merits without knowing a machine wrote it. The system works end to end using agentic tree search: it forms hypotheses, runs experiments, analyzes results, and writes them up with little human steering. That makes it a proof of concept for genuinely automated scientific discovery, not just AI as a writing aid. The caveats matter. This was a workshop, a lower bar than a top conference, and one paper out of three is hardly a flood. Still, it arrives as OpenAI signals plans for an intern-level research assistant by September 2026 and PhD-level work by 2028. Even a single peer-reviewed pass moves the debate about AI-authored science from hypothetical to something reviewers now have to reckon with.

## Source

[Read the full story at arXiv](https://arxiv.org/pdf/2504.08066)

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