OpenAI o1 System Card External Testers Acknowledgements

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## Red Teaming Individuals

Alexandra García Pérez, Andre N. Assis, Andrew D. White, Andrew McAdams, Andrew Taylor, Arjun Singh Puri, Atty. Jamal Latiph Hadjiusman, Caroline Friedman Levy, Dário Passos, Emily Lynell Edwards, Eszter Császár, George Frempong, Grant Brailsford, James Banal, Jeremie Rykner, José Manuel Nápoles Duarte, Kate Turetsky, Krzysztof Szubiczuk, Maureen Robinson, Maximilian Müller, Michaela Hinks, Mario Krenn, Mónica Talán, Naomi Hart, Nathan Heath, Patrick Caughey, Pavle Nikacevic, Per Carlbring, Rafael Gonzalez-Vazquez, Randy Kart, Ranjit Singh, Richa Sharma, Robert Chen, Russell Tait, Saad Hermak, Sam Barnett, Sam Cox, Sara Kingsley, Sarah Chittick, Shelby Grossman, Sissel Juul, Susan Nesbitt, Tomasz Giela, Vincent Nestler, Zhen Xiong Lim

## Red Teaming Organizations

Apollo Research, Faculty, Gray Swan AI, Haize Labs, METR, Virtue AI

## Preparedness Collaborators

Adwith Mukherjee, Bowen Jiang, Chan Jun Shern, Daniel Griffin, Dane Sherburn, Dillon Semin, Gigi Gronvall, Giulio Starace, Grace Kim, Jake Hecla, James Aung, Josh Ip, Julie Goodman, Megan Cangemi, Oliver Jaffe, Rosie Campbell, Steven Adler

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