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OpenAI Lifts GPT-5.6Sol Limits as Demand Surges

OpenAI has temporarily lifted the 5-hour usage limit on its flagship model, GPT-5.6Sol, for Plus, Pro, and Business subscribers. The decision comes after a sharp surge in demand over the past 48 hours, driven by heavy use of tools like Codex and ChatGPT Work.

Product manager Tibo explained that usage intensity has been extremely high recently. To ensure users' programming and intelligent agent workflows aren't interrupted, the platform reset the one-time usage quota for everyone. It's a quick fix to handle the concentrated demand.

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While easing restrictions, OpenAI is also working on improving GPT-5.6Sol's efficiency. The company says the upcoming upgrade will reduce actual computing power and token consumption, allowing the model to handle more tasks under the same quota. Specific technical details haven't been released, but industry experts suspect the improvements focus on better token generation and a lighter underlying architecture.

This isn't just a short-term response to traffic pressure. It reflects a broader trend in the large model industry: moving away from a "parameter arms race" toward practical engineering and cost reduction. As AI agents and automated programming become standard productivity tools, improving operational efficiency and relaxing service limits will accelerate the adoption of AI workflows in business and development. This shift could lay a stronger foundation for wider access to computing power and a boom in AI applications.

Key Points:

  • OpenAI temporarily removed the 5-hour usage limit on GPT-5.6Sol for Plus, Pro, and Business users.
  • The move responds to a surge in demand for flagship models, especially for Codex and ChatGPT Work.
  • OpenAI is optimizing GPT-5.6Sol to reduce computing power and token consumption.
  • The industry is shifting from parameter competition to practical efficiency and cost reduction.