Insider Predicts GPT-5.6 to Continue Major Performance Leaps with Better Token Efficiency

haider1 · x · 2026-07-06

AI commentator haider1 (67k followers) claims that GPT-5.6 will deliver major performance upgrades similar to the 5.4 to 5.5 transition, driven by OpenAI's robust new pre-training and RL tech stack. He specifically noted that the token efficiency curve from 5.5 to 5.6 shows significant improvement, making it the most critical metric to watch.

Related event: Rumors Swirl Around Impending Release of OpenAI's GPT-5.6 Series(17 posts)→

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