Ethan Perez
Ethan Perez is a researcher working on AI evaluations and benchmarks. His work focuses on the development of reliable and robust evaluation methods for AI systems.
Last updated 11 Nov 2026 · Named in 6 answers across 3 engines
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How AI engines see them
All three engines recognize Ethan Perez as an AI safety researcher at Anthropic. They agree his work includes model-written evaluations and evaluations of model behavior. gemini adds that he was formerly a researcher at NYU and that he studies sycophancy and unfaithful reasoning. google_ai_mode adds that he is an alignment team leader and co-developed the Conceptual Reasoning Index and sleeper agents research. chat_gpt adds that he earned a PhD in Natural Language Processing at New York University and works on red teaming and reasoning faithfulness. No engine fails to name the person. The most cited domain is alphaxiv.org, cited four times by gemini.
- ChatGPTNot named
Ethan Perez is a research scientist at Anthropic who works on evaluating large language models, AI safety, model behavior, alignment, and scalable evaluation.
Known for- model-written evaluations
- red teaming
- reasoning faithfulness
- GeminiNot named
Ethan Perez is an AI safety researcher at Anthropic who works on AI evaluations, scalable oversight, alignment, sycophancy, and unfaithful reasoning.
Known for- model-written evaluations
- sycophancy
- unfaithful reasoning
- Google AI ModeNot named
Ethan Perez is an AI safety researcher and alignment team leader at Anthropic who works on behavioral, mechanistic, and adversarial evaluations.
Known for- sleeper agents research
- Conceptual Reasoning Index
- probing and faithful chain-of-thought
- PerplexityNot named
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- Bing AI ModeNot named
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- CopilotNot named
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- #66AI Evaluationof 100Named in 5 answers
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