Want to try the latest ChatGPT and Claude models? Now's your chance

PCWorld reports that OpenAI and Anthropic have temporarily relaxed usage limits for their latest AI models, including GPT-5.6 Sol and Claude's Fable 5. ChatGPT Plus, Business, and Pro subscribers can now access GPT-5.6 Sol without the previous five-hour usage window restrictions. This increased access appears driven by competition between the AI companies, giving users more opportunities to experience advanced reasoning capabilities. If you haven't kicked the tires yet on the latest and greatest ChatGPT and Claude models, this is your lucky week. OpenAI is (fittingly) opening the flood gates to GPT-5.6 Sol, its just-released and most powerful model, announcing Sunday that it's "temporarily" lifting the five-hour usage window for ChatGPT Plus, Business, and Pro subscribers. At the same time, Anthropic is - again - extending the trial period for Fable 5, its own new top-of-the-line, giving Claude subscribers another week of in-plan access .