Ex-Microsoft CTO Urges OpenAI to Prioritize Pro Mode as Tests Fuel Debate

Former Microsoft CTO Mikhail Parakhin again urged OpenAI to promote its Pro (best-of-n) mode, citing superior math and reasoning performance, while researcher Ara Kometzaki reported that ChatGPT Ultra now outperforms Pro on long tasks.

2026-08-23 ~ 2026-08-24 · 3 related posts

• Ex-Microsoft CTO Calls for OpenAI to Prioritize 'Pro' Model Config for Math — MParakhin · 2026-08-23
• Researcher: GPT 5.6 Sol Ultra Beats Pro for Long-Horizon Hard Problems — arankomatsuzaki · 2026-08-24
• Parakhin Discusses Emulating Pro with Multiple GPT Agents for Reasoning — MParakhin · 2026-08-24