Boost your productivity with expanded access Features: Early access to new features Access to OpenAI o1-preview, OpenAI o1-mini Access to GPT-4o, GPT-4o mini, GPT-4 Up to 5x more messages for GPT‑4o Access to data analysis, file uploads, vision, web browsing, and image generation Access to Advanced Voice Mode FAQ: Q: Where do I check the length of subscription I've received? A: The susbcription detail is found in the "My Plan" section or more specifically, under Profile -> Upgrade Plan or in the billing details. Here, it will clearly show the next billing date, confirming the current length of subscription purchased.