OpenAI has open-sourced an official new “lightweight” version of its ChatGPT deep research tool. This thrilling release opens up the tool to even more users. This innovative tool is designed to scour the web and compile comprehensive research reports on various topics,

ChatGPT is joining the likes of Gemini and Perplexity to launch its own free Deep Research tool. You can now use ChatGPT to generate in-depth reports on any topic you like. However, there are usage limits and feature limitations to be careful about,

Lightweight o4-mini activates after users hit usage limits, offering shorter but thorough answers with 45.6% accuracy compared to deep research’s 51.5%.