OpenAI releases ChatGPT as a public research preview
ChatGPT turns instruction tuning and reinforcement learning from human feedback into an accessible conversational product for the general public.
What happened
Event details
OpenAI launched ChatGPT as a free research preview built from the InstructGPT lineage. The product wrapped a capable language model in a low-friction dialogue interface, retained conversational context, and used human-feedback training to make responses more useful and steerable. Its limitations were substantial, including confident errors, but the interface moved generative AI from specialist demos into everyday use at unprecedented speed.
Assessment
Why it matters
ChatGPT reset public expectations for software interfaces and accelerated investment, product launches, and policy attention across the AI industry.