Shan CarterInterpretability Team Manager · AnthropicResearcher↗
Researcher · Founder · Engineer
AnthropicCo-founder and Member of Technical Staff
Mann helped build GPT-3[1] before co-founding Anthropic. He later contributed to research that trains assistants from human preferences so they become more helpful and less harmful, as well as work examining how repeated training data changes what large models memorize and generalize.
GPT-3 performs tasks from prompts and a few examples without task-specific training.
Trained AI assistants to critique and improve their answers using a written set of principles.
Training AI assistants to be more helpful and less harmful using human feedback.
Original GPT-3 paper lists Benjamin Mann as a coauthor and describes the model and its training. Supports the GPT-3 contribution clause, not subsequent Anthropic founding.
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Reviewed August 7, 2026 · Checked for accuracy and new information.