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Engineer · Researcher

Haiming Bao

HB

Technical Contributor at OpenAI

Bao has contributed across several generations of OpenAI systems, including GPT-4, GPT-4o, the o1 reasoning-model program, and the open-weight gpt-oss models.

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Background

Current role
Technical Contributor
About this data

Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.

Last editorial review: August 13, 2026