Conceptual Reasoning Fellow

Anthropic • Washington, DC

2d • $117,000 - $167,000 • Hybrid

About The Position

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. Fellows will have a concrete, scoped project matched to their background, with mentorship from Anthropic researchers. They will gain access to frontier Claude models and internal evaluation tooling, and will be part of a cohort of incoming Fellows to collaborate with and a connection to Anthropic's broader research community.

Requirements

• 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.
• 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.

Nice To Haves

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

Responsibilities

• 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.

Benefits

• Compensation: $117,000–$167,000 USD for the four-month fellowship (equivalent to $350,000–$500,000 USD annualized)
• Access to our offices
• Other benefits
• Generous vacation and parental leave
• Flexible working hours
• A lovely office space in which to collaborate with colleagues

What This Job Offers

• Job Type: Full-time
• Career Level: Principal
• Education Level: Ph.D. or professional degree