Conceptual Reasoning Fellow
AI safety and research company building reliable, interpretable, and steerable AI systems, including the Claude product family and developer platform.
Maintainer signals as of 9/25/2026
Funding history
About Anthropic
Anthropic PBC develops frontier AI systems and deploys them through Claude products and the Claude Platform, with a stated focus on safety, interpretability, and steerability.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will pursue a scoped project in your field, using Claude and internal tools to investigate difficult open problems and societal challenges. You will assess Claude's capabilities, design evaluations and reinforcement-learning environments, and collaborate with other fellows to create rigorous tests of expert reasoning.
Requirements
- Hands-on experience using Claude and Claude Code
- PhD in philosophy, cognitive science, economics, policy, or law, or equivalent research experience
- Authorization to work in the United States for the program duration
- Ability to deliver concrete results in a fast-paced environment
Responsibilities
- Identify open problems in your field and use Claude to make progress on them
- Assess Claude's strengths and weaknesses on societal challenges
- Design evaluations and RL environments that systematically test models
- Build environments with other fellows for judgment-heavy disciplinary problems
Hiring Process
Take-home exercise, then conversations with the research team and potential mentors about research interests and project directions.