Conceptual Reasoning Fellow

Friendly · San Francisco · Posted Oct 9, 2026

At a glance

Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems.
Program Overview
Many of the questions that will shape our future have no single checkable answer. Reasoning well about them, whether in law, policy, philosophy, economics, cognitive science, or AI safety itself, takes the kind of judgment experts spend years building. We believe frontier AI, developed safely, can become a real partner on these questions, but getting there means working closely with the people who know these fields best.
This fellowship brings researchers and experts from philosophy, cognitive science, economics, policy, and law into Anthropic for four months to work alongside our research teams. Fellows pair deep domain expertise with our frontier models and internal tooling to evaluate, improve, and apply Claude's capabilities in their field.

This fellowship brings researchers and experts from philosophy, cognitive science, economics, policy, and law into Anthropic for four months to work alongside our research teams.
Fellows pair deep domain expertise with frontier models and internal tooling to evaluate, improve, and apply Claude's capabilities in their field.

Identifying key open problems in your field, assessing approaches to solving them, and using Claude to make progress on them.
Identifying grand societal challenges which the expertise of your field is crucial for addressing, and assessing Claude’s strengths and weaknesses in tackling them.
Designing evaluations and RL environments that test models in your field systematically, turning your expertise into working tests of how well Claude reasons in your field.
Team up with other Fellows in your field to build environments that push Claude on the hardest, most judgment-heavy problems your discipline has to offer.

Are excited about the potential for AI to reason well about hard questions in their field where expert judgment matters.
Hands-on experience using Claude and Claude Code in your day-to-day workflow.
Hold (or are completing) a PhD in philosophy, cognitive science, economics, policy or law, or have equivalent research experience.
Are comfortable working in a fast-paced, high-agency atmosphere for a few months and delivering concrete results.
Existing authorization to work in the United States for the duration of the program.

Experience designing evaluations, benchmarks, datasets, or expert rubrics.
Demonstrated expertise in your field, shown through research, scholarship, or expert-level analytical writing.

The default location is in San Francisco. We will consider remote engagements within the United States in certain circumstances.