Google
Caltech
Trevor CaiMember of Technical Staff · OpenAIResearcher↗
Engineer · Researcher
Chris Hallacy
OpenAIMember of Technical Staff
Hallacy co-authored CLIP, which demonstrated transferable visual representations learned from natural-language supervision and became foundational to modern vision-language systems.
Selected contributions
Learning Transferable Visual Models From Natural Language Supervision
With Alec Radford, Jong Wook Kim, Aditya Ramesh, Gabriel Goh, Sandhini Agarwal, Girish Sastry, Amanda Askell and others ·CLIP learns from image-caption pairs to recognize categories described in words.
GPT-4 Technical Report
With OpenAI, Joshua Achiam, Steven Adler, Sandhini Agarwal, Lama Ahmad, Ilge Akkaya, Florencia Leoni Aleman and others ·Reported GPT-4's capabilities, limitations and safety evaluations as a text-and-image input model.
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Reviewed July 14, 2026 · Checked for accuracy and new information.
