
Alexander KirillovResearcher
Thinking Machines Lab
Member of Technical Staff
via Thinking Machines Lab
Researcher

Member of Technical Staff at Thinking Machines Lab
Zellers created HellaSwag, a test that asks AI to choose the sensible continuation of an everyday situation and exposed major gaps in machine common sense. He later helped develop models that understand language, images, video and speech together in real time.
See something inaccurate or outdated?
Thinking Machines Lab
OpenAIWork and education history is primarily focused on AI-relevant roles and may not be comprehensive.
Last editorial review: August 24, 2026