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Large Language ModelsAI Safety & AlignmentFortune AIPublished: Sep 20, 2026, 01:00 JST

Anthropic's Claude leads 26% of its own model research

Anthropic's Claude leads 26% of its own model research

3 Key Points

  1. What happened

    Anthropic said Claude now leads 26% of its model research and development, completing most tasks "end-to-end from a high-level prompt" under human supervision — though the models are not yet fully autonomous.

  2. Why it matters

    AI companies are edging toward systems that design their own successors, which executives say could speed advances in science and medicine but which critics warn could escape human control.

  3. What to watch

    OpenAI has set a goal of an automated AI "researcher" by March 2028, while Elon Musk said xAI's Grok could reach fuller automation by end of this year but "not later" than 2027. Whether the promised safety measures keep pace is undecided.

WHO IT HITSAI lab safety and policy teams, plus enterprise buyers relying on these models, face a fast-moving question: who supervises a system that is increasingly doing its own research. Regulators weighing slowdown calls are also directly affected.

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Context & Analysis

The idea of AI improving itself is not new. John Thickstun, a Cornell computer science professor, noted that developers have used past model generations to write code for the systems that create the next generation for years. Prominent researchers like OpenAI co-founder Andrej Karpathy experimented with the approach, but those efforts produced minor improvements, not big creative leaps.

What has changed is the scale. Anthropic's disclosure that Claude leads 26% of its model research and development gave the public and other labs a concrete metric, and it encouraged competitors to share similar ones. OpenAI announced an automated "research intern" that can handle tasks taking a skilled researcher a few days. Elon Musk said xAI's Grok models are built by the one before them, with humans "gradually getting less and less in the loop." Microsoft AI CEO Mustafa Suleyman has taken a different tack, describing "humanist superintelligence" as AI that is "carefully calibrated, contextualized, within limits."

The stakes hinge on whether safety measures advance alongside model capabilities — a challenge labs have faced since the technology's inception. Anthropic has said it would slow or pause work if competitors did so verifiably. OpenAI said pursuing RSI is still valuable because an "automated AI researcher can also be an automated safety or alignment researcher." For Aguirre, the trajectory is clear and alarming: as more of the research is done by AI, it gets faster, because AI operates far more quickly than humans. Whether that speed can be governed remains the open question.

FAQ
What is recursive self-improvement?
It is when AI models find ways to improve themselves and build their successor. Companies define it differently: some call it any AI feedback on model improvement, others mean AI working toward that goal fully autonomously.
How close are AI companies to full autonomy?
Anthropic has not expressly said how close it is, though Anthony Aguirre said its plots show more research being done by AI and becoming "closer and closer to fully autonomous." OpenAI aims for an automated AI "researcher" by March 2028.
What do AI companies themselves say about the risks?
OpenAI said it does not yet know how to "safely get all the way to aligned, full RSI" and cannot assume safety progress will keep pace. Anthropic said it would slow or pause development if global competitors did so verifiably.

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