Boyuan ChenMember of Technical Staff (Research) · OpenAIResearcher↗
Researcher
OpenAITechnical Fellow
GPT-3 performs tasks from prompts and a few examples without task-specific training.
PPO improves an agent's behavior through repeated updates guided by trial and reward.
Prafulla Dhariwal — publications supports the anchored contribution. Personal publications list Jukebox, DALL-E and GPT-3; original diffusion paper and official GPT-4o credits checked. Existing prose preserved.
Diffusion Models Beat GANs on Image Synthesis supports the anchored contribution. Personal publications list Jukebox, DALL-E and GPT-3; original diffusion paper and official GPT-4o credits checked. Existing prose preserved.
GPT-4o contributions supports the anchored contribution. Personal publications list Jukebox, DALL-E and GPT-3; original diffusion paper and official GPT-4o credits checked. Existing prose preserved.
Based on public sources. If accuracy is important, verify details using the links or references.
For corrections, updates, or requests to remove information, contact us.
Reviewed August 9, 2026 · Checked for accuracy and new information.