Overview

• OpenAI has launched a lightweight version of its Deep Research tool, now available to all ChatGPT users, including those on the Free tier.
• The lightweight model, powered by OpenAI's o4-mini, balances cost-efficiency with robust multi-step reasoning capabilities.
• Free users receive five monthly tasks, Plus and Team users get 25, and Pro users are allocated 250 tasks split between full and lightweight versions.
• Queries exceeding full-version limits automatically switch to the lightweight model, maintaining functionality while managing infrastructure demands.
• Enterprise and educational users will gain access next week, with usage limits aligned to the Team tier.