On March 14, 2023, OpenAI presented GPT-4. It reported large gains on academic and professional benchmarks; Microsoft integrated it into Bing and Copilot.
The technical report omitted architecture and data details—a signal of new competitive opacity. External researchers measured risks and abilities via black box.
GPT-4 set the 2023 “frontier model” bar and accelerated regulation and systematic evaluations (evals).
