Reviewing my GPT-5 predictions

Earlier today (on August 7th), I realized that I was about to miss a golden opportunity to quickly test how calibrated I was about AI progress by predicting some GPT-5 benchmark scores. Upon realizing this, I dashed off some quick predictions based on a combination of then-current top benchmark scores and my intuition about how big a jump GPT-5 would be over o3, Grok 4, Claude Opus 4, and Gemini 2.5 Pro. You can see the predictions and current resolutions in the next section. My one sentence sum...