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Jifan Zhang is a fifth-year PhD student of Statistics and Data Science at Northwestern University advised by Prof. Miklos Racz.
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Oct 2025 — Oct 2026
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Jifan Zhang as author
Stress-Testing Model Specs Reveals Character Differences Among Language Models
AnthropicresearchneutralOct 27, 2025
Over 300,000 stress-test scenarios reveal that frontier language models from Anthropic, OpenAI, Google DeepMind, and xAI prioritize values differently and expose thousands of hidden contradictions and ambiguities in model specifications.
“Author of "Stress-Testing Model Specs Reveals Character Differences Among Language Models" in Anthropic”
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Anthropic opened applications for four-month research fellowships starting January 2027
AnthropicpositiveOct 16, 2026
“Conducted research stress-testing model specifications as part of Anthropic Fellows Program.”