GPT-4.5: "Not a frontier model"?
Summary
An analysis of OpenAI's GPT-4.5 release, discussing its scale, pricing, performance relative to other models, and its implications for the future of AI scaling.
Key quotes
GPT-4.5 is a point on the graph that scaling is still coming, but trying to make sense of it in a day-by-day transition is hard.
The jump from GPT-4o (where we are now) to GPT-4.5 made the models go from great to really great.
GPT-4.5 is a frontier model, but its release is not an exciting one.
The author analyzes the release of GPT-4.5, noting a contradiction in OpenAI’s early system card stating it was not a frontier model. The post examines the model’s massive parameter scale and high cost, while noting that substantive capability gains are harder to perceive than in previous generations.