Sam Altman's New 40-Minute Interview: GPT-5 'Probably This Summer' but May Slip on Safety Testing, Teases an o3 'High-Performance' Tier

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In a 40-minute interview released June 19, Sam Altman said GPT-5 is 'probably coming sometime this summer' while explicitly hedging that it could slip on security testing, naming, and feature iteration, and teased an o3 'high-performance' model plus Deep Research upgrades. Separately he admitted he's '0% excited' to run a public company even as OpenAI signals an IPO within a year. Builder takeaway: plan around a fuzzy summer GPT-5 window, not a fixed date — the CEO is the one hedging the timeline.