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The Polylog AI Intelligence Brief

Morning Edition · Wednesday, July 15, 2026Published at 1:32 AM EDT · New York

OpenAI Suspends the Five-Hour Cap on GPT-5.6 Sol After a Demand Surge

The company lifted the rolling window for Plus, Pro, and Business plans and reset usage counters, but kept the separate weekly limits in place.

OpenAI Suspends the Five-Hour Cap on GPT-5.6 Sol After a Demand Surge

OpenAI temporarily removed the five-hour rolling usage limit on GPT-5.6 Sol for its Plus, Pro, and Business subscribers and reset every user's current counter, after what OpenAI product lead Tibo Sottiaux described as two days of intense lo…

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Part of a tracked trend

The Inference-Cost Efficiency Race

Techniques that cut tokens generated and KV-cache memory per query will keep compressing the marginal cost of serving reasoning models, making inference efficiency a recurring competitive axis alongside raw capability.